Vulnerabilites related to libreswan - libreswan
Vulnerability from fkie_nvd
Published
2015-07-01 14:59
Modified
2025-04-12 10:46
Severity ?
Summary
libreswan 3.9 through 3.12 allows remote attackers to cause a denial of service (daemon restart) via an IKEv1 packet with (1) unassigned bits set in the IPSEC DOI value or (2) the next payload value set to ISAKMP_NEXT_SAK.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2023-08-25 21:15
Modified
2024-11-21 08:14
Severity ?
Summary
An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://github.com/libreswan/libreswan/tags | Third Party Advisory | |
| cve@mitre.org | https://libreswan.org/security/CVE-2023-38712/ | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/libreswan/libreswan/tags | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://libreswan.org/security/CVE-2023-38712/ | Third Party Advisory |
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Vulnerability from fkie_nvd
Published
2015-11-09 16:59
Modified
2025-04-12 10:46
Severity ?
Summary
The pluto IKE daemon in libreswan before 3.15 and Openswan before 2.6.45, when built with NSS, allows remote attackers to cause a denial of service (assertion failure and daemon restart) via a zero DH g^x value in a KE payload in a IKE packet.
References
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},
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"url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html"
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Vulnerability from fkie_nvd
Published
2016-04-18 14:59
Modified
2025-04-12 10:46
Severity ?
Summary
Libreswan 3.16 might allow remote attackers to cause a denial of service (daemon restart) via an IKEv2 aes_xcbc transform.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| libreswan | libreswan | 3.16 | |
| fedoraproject | fedora | 23 | |
| fedoraproject | fedora | 24 |
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Vulnerability from fkie_nvd
Published
2024-04-11 02:15
Modified
2025-06-17 20:54
Severity ?
Summary
The Libreswan Project was notified of an issue causing libreswan to restart when using IKEv1 without specifying an esp= line. When the peer requests AES-GMAC, libreswan's default proposal handler causes an assertion failure and crashes and restarts. IKEv2 connections are not affected.
References
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"lastModified": "2025-06-17T20:54:44.620",
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"value": "CWE-404"
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],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
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}
Vulnerability from fkie_nvd
Published
2016-06-16 14:59
Modified
2025-04-12 10:46
Severity ?
Summary
programs/pluto/ikev1.c in libreswan before 3.17 retransmits in initial-responder states, which allows remote attackers to cause a denial of service (traffic amplification) via a spoofed UDP packet. NOTE: the original behavior complies with the IKEv1 protocol, but has a required security update from the libreswan vendor; as of 2016-06-10, it is expected that several other IKEv1 implementations will have vendor-required security updates, with separate CVE IDs assigned to each.
References
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"references": [
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"url": "http://rhn.redhat.com/errata/RHSA-2016-2603.html"
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Vulnerability from fkie_nvd
Published
2014-01-16 05:05
Modified
2025-04-11 00:51
Severity ?
Summary
The ikev2parent_inI1outR1 function in pluto/ikev2_parent.c in libreswan before 3.7 allows remote attackers to cause a denial of service (restart) via an IKEv2 I1 notification without a KE payload.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2023-08-25 21:15
Modified
2024-11-21 08:14
Severity ?
Summary
An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or ID_IPV6_ADDR receives an IDcr payload with ID_FQDN, a NULL pointer dereference causes a crash and restart of the pluto daemon. NOTE: the earliest affected version is 4.6.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://github.com/libreswan/libreswan/tags | Third Party Advisory | |
| cve@mitre.org | https://libreswan.org/security/CVE-2023-38711/ | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/libreswan/libreswan/tags | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://libreswan.org/security/CVE-2023-38711/ | Third Party Advisory |
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Vulnerability from fkie_nvd
Published
2023-08-25 21:15
Modified
2024-11-21 08:14
Severity ?
Summary
An issue was discovered in Libreswan before 4.12. When an IKEv2 Child SA REKEY packet contains an invalid IPsec protocol ID number of 0 or 1, an error notify INVALID_SPI is sent back. The notify payload's protocol ID is copied from the incoming packet, but the code that verifies outgoing packets fails an assertion that the protocol ID must be ESP (2) or AH(3) and causes the pluto daemon to crash and restart. NOTE: the earliest affected version is 3.20.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://github.com/libreswan/libreswan/tags | Third Party Advisory | |
| cve@mitre.org | https://libreswan.org/security/CVE-2023-38710/ | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/libreswan/libreswan/tags | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://libreswan.org/security/CVE-2023-38710/ | Third Party Advisory |
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Vulnerability from fkie_nvd
Published
2013-07-09 17:55
Modified
2025-04-11 00:51
Severity ?
Summary
Buffer overflow in the atodn function in libreswan 3.0 and 3.1, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service (pluto IKE daemon crash) and possibly execute arbitrary code via crafted DNS TXT records. NOTE: this might be the same vulnerability as CVE-2013-2053 and CVE-2013-2054.
References
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"Vendor Advisory"
],
"url": "https://lists.libreswan.org/pipermail/swan-announce/2013/000003.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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},
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}
]
}
Vulnerability from fkie_nvd
Published
2014-01-07 17:04
Modified
2025-04-11 00:51
Severity ?
Summary
Libreswan 3.6 allows remote attackers to cause a denial of service (crash) via a small length value and (1) no version or (2) an invalid major number in an IKE packet.
References
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Vulnerability from fkie_nvd
Published
2019-06-12 14:29
Modified
2024-11-21 04:18
Severity ?
Summary
The Libreswan Project has found a vulnerability in the processing of IKEv1 informational exchange packets which are encrypted and integrity protected using the established IKE SA encryption and integrity keys, but as a receiver, the integrity check value was not verified. This issue affects versions before 3.29.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| libreswan | libreswan | * | |
| strongswan | strongswan | * | |
| xelerance | openswan | * | |
| fedoraproject | fedora | 29 | |
| fedoraproject | fedora | 30 | |
| redhat | enterprise_linux | 8.0 |
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Vulnerability from fkie_nvd
Published
2020-05-12 14:15
Modified
2024-11-21 05:11
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
An out-of-bounds buffer read flaw was found in the pluto daemon of libreswan from versions 3.27 till 3.31 where, an unauthenticated attacker could use this flaw to crash libreswan by sending specially-crafted IKEv1 Informational Exchange packets. The daemon respawns after the crash.
References
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Vulnerability from fkie_nvd
Published
2019-05-24 14:29
Modified
2024-11-21 04:22
Severity ?
Summary
In Libreswan 3.27 an assertion failure can lead to a pluto IKE daemon restart. An attacker can trigger a NULL pointer dereference by initiating an IKEv2 IKE_SA_INIT exchange, followed by a bogus INFORMATIONAL exchange instead of the normallly expected IKE_AUTH exchange. This affects send_v2N_spi_response_from_state() in programs/pluto/ikev2_send.c that will then trigger a NULL pointer dereference leading to a restart of libreswan.
References
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"url": "https://libreswan.org/security/CVE-2019-12312/CVE-2019-12312.txt"
},
{
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"url": "https://libreswan.org/security/CVE-2019-12312/libreswan-3.27-CVE-2019-12312.patch"
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://libreswan.org/security/CVE-2019-12312/libreswan-3.27-CVE-2019-12312.patch"
}
],
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"weaknesses": [
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{
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"value": "CWE-476"
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{
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],
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}
Vulnerability from fkie_nvd
Published
2022-01-15 02:15
Modified
2024-11-21 06:47
Severity ?
Summary
Libreswan 4.2 through 4.5 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted IKEv1 packet because pluto/ikev1.c wrongly expects that a state object exists. This is fixed in 4.6.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| libreswan | libreswan | * | |
| fedoraproject | fedora | 34 | |
| fedoraproject | fedora | 35 | |
| debian | debian_linux | 10.0 |
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Vulnerability from fkie_nvd
Published
2023-02-21 16:15
Modified
2025-03-17 17:15
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| libreswan | libreswan | 4.9 | |
| debian | debian_linux | 11.0 |
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Vulnerability from fkie_nvd
Published
2017-06-13 17:29
Modified
2025-04-20 01:37
Severity ?
Summary
libreswan before 3.18 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto daemon restart).
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| libreswan | libreswan | * | |
| fedoraproject | fedora | 23 | |
| fedoraproject | fedora | 24 |
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Vulnerability from fkie_nvd
Published
2023-05-17 23:15
Modified
2025-01-22 19:15
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A vulnerability was found in the libreswan library. This security issue occurs when an IKEv1 Aggressive Mode packet is received with only unacceptable crypto algorithms, and the response packet is not sent with a zero responder SPI. When a subsequent packet is received where the sender reuses the libreswan responder SPI as its own initiator SPI, the pluto daemon state machine crashes. No remote code execution is possible. This CVE exists because of a CVE-2023-30570 security regression for libreswan package in Red Hat Enterprise Linux 8.8 and Red Hat Enterprise Linux 9.2.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| secalert@redhat.com | https://access.redhat.com/errata/RHSA-2023:3107 | Third Party Advisory | |
| secalert@redhat.com | https://access.redhat.com/errata/RHSA-2023:3148 | Third Party Advisory | |
| secalert@redhat.com | https://access.redhat.com/security/cve/CVE-2023-2295 | Third Party Advisory | |
| secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=2189777 | Issue Tracking | |
| af854a3a-2127-422b-91ae-364da2661108 | https://access.redhat.com/errata/RHSA-2023:3107 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://access.redhat.com/errata/RHSA-2023:3148 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://access.redhat.com/security/cve/CVE-2023-2295 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.redhat.com/show_bug.cgi?id=2189777 | Issue Tracking |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| libreswan | libreswan | 4.9-1.el8 | |
| libreswan | libreswan | 4.9-1.el9 | |
| redhat | enterprise_linux | 8.0 | |
| redhat | enterprise_linux | 9.0 | |
| redhat | enterprise_linux_eus | 8.8 | |
| redhat | enterprise_linux_eus | 9.2 | |
| redhat | enterprise_linux_server_aus | 8.8 | |
| redhat | enterprise_linux_server_aus | 9.2 | |
| redhat | enterprise_linux_server_tus | 8.8 |
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Vulnerability from fkie_nvd
Published
2014-01-09 18:07
Modified
2025-04-11 00:51
Severity ?
Summary
Race condition in the libreswan.spec files for Red Hat Enterprise Linux (RHEL) and Fedora packages in libreswan 3.6 has unspecified impact and attack vectors, involving the /var/tmp/libreswan-nss-pwd temporary file.
References
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Vulnerability from fkie_nvd
Published
2023-05-29 00:15
Modified
2025-01-14 19:15
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
pluto in Libreswan before 4.11 allows a denial of service (responder SPI mishandling and daemon crash) via unauthenticated IKEv1 Aggressive Mode packets. The earliest affected version is 3.28.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://libreswan.org/security/CVE-2023-30570/CVE-2023-30570.txt | Mitigation, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://libreswan.org/security/CVE-2023-30570/CVE-2023-30570.txt | Mitigation, Vendor Advisory |
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Vulnerability from fkie_nvd
Published
2014-01-26 20:55
Modified
2025-04-11 00:51
Severity ?
Summary
Libreswan 3.7 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon restart) via IKEv2 packets that lack expected payloads.
References
Impacted products
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CVE-2024-3652 (GCVE-0-2024-3652)
Vulnerability from cvelistv5
Published
2024-04-11 01:32
Modified
2025-02-13 17:52
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- IKEv1 with default AH/ESP configuration can cause libreswan to abort and restart
Summary
The Libreswan Project was notified of an issue causing libreswan to restart when using IKEv1 without specifying an esp= line. When the peer requests AES-GMAC, libreswan's default proposal handler causes an assertion failure and crashes and restarts. IKEv2 connections are not affected.
References
| ► | URL | Tags |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| The Libreswan Project (www.libreswan.org) | libreswan |
Version: 3.22 ≤ 4.14 |
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CVE-2023-38711 (GCVE-0-2023-38711)
Vulnerability from cvelistv5
Published
2023-08-25 00:00
Modified
2024-08-02 17:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or ID_IPV6_ADDR receives an IDcr payload with ID_FQDN, a NULL pointer dereference causes a crash and restart of the pluto daemon. NOTE: the earliest affected version is 4.6.
References
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CVE-2015-3204 (GCVE-0-2015-3204)
Vulnerability from cvelistv5
Published
2015-07-01 14:00
Modified
2024-08-06 05:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
libreswan 3.9 through 3.12 allows remote attackers to cause a denial of service (daemon restart) via an IKEv1 packet with (1) unassigned bits set in the IPSEC DOI value or (2) the next payload value set to ISAKMP_NEXT_SAK.
References
| ► | URL | Tags | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
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CVE-2016-5391 (GCVE-0-2016-5391)
Vulnerability from cvelistv5
Published
2017-06-13 17:00
Modified
2024-08-06 01:00
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
libreswan before 3.18 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto daemon restart).
References
| ► | URL | Tags | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
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CVE-2013-2052 (GCVE-0-2013-2052)
Vulnerability from cvelistv5
Published
2013-07-09 17:00
Modified
2024-09-16 19:00
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Buffer overflow in the atodn function in libreswan 3.0 and 3.1, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service (pluto IKE daemon crash) and possibly execute arbitrary code via crafted DNS TXT records. NOTE: this might be the same vulnerability as CVE-2013-2053 and CVE-2013-2054.
References
| ► | URL | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2019-10155 (GCVE-0-2019-10155)
Vulnerability from cvelistv5
Published
2019-06-12 13:51
Modified
2024-08-04 22:10
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
The Libreswan Project has found a vulnerability in the processing of IKEv1 informational exchange packets which are encrypted and integrity protected using the established IKE SA encryption and integrity keys, but as a receiver, the integrity check value was not verified. This issue affects versions before 3.29.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| the libreswan Project | libreswan |
Version: 3.29 |
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CVE-2023-30570 (GCVE-0-2023-30570)
Vulnerability from cvelistv5
Published
2023-05-28 00:00
Modified
2025-01-14 18:14
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
pluto in Libreswan before 4.11 allows a denial of service (responder SPI mishandling and daemon crash) via unauthenticated IKEv1 Aggressive Mode packets. The earliest affected version is 3.28.
References
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CVE-2015-3240 (GCVE-0-2015-3240)
Vulnerability from cvelistv5
Published
2015-11-09 16:00
Modified
2024-08-06 05:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The pluto IKE daemon in libreswan before 3.15 and Openswan before 2.6.45, when built with NSS, allows remote attackers to cause a denial of service (assertion failure and daemon restart) via a zero DH g^x value in a KE payload in a IKE packet.
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
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CVE-2023-2295 (GCVE-0-2023-2295)
Vulnerability from cvelistv5
Published
2023-05-17 00:00
Modified
2025-01-22 18:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-400 - - Uncontrolled Resource Consumption
Summary
A vulnerability was found in the libreswan library. This security issue occurs when an IKEv1 Aggressive Mode packet is received with only unacceptable crypto algorithms, and the response packet is not sent with a zero responder SPI. When a subsequent packet is received where the sender reuses the libreswan responder SPI as its own initiator SPI, the pluto daemon state machine crashes. No remote code execution is possible. This CVE exists because of a CVE-2023-30570 security regression for libreswan package in Red Hat Enterprise Linux 8.8 and Red Hat Enterprise Linux 9.2.
References
Impacted products
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CVE-2013-7294 (GCVE-0-2013-7294)
Vulnerability from cvelistv5
Published
2014-01-16 02:00
Modified
2024-08-06 18:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The ikev2parent_inI1outR1 function in pluto/ikev2_parent.c in libreswan before 3.7 allows remote attackers to cause a denial of service (restart) via an IKEv2 I1 notification without a KE payload.
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CVE-2023-38710 (GCVE-0-2023-38710)
Vulnerability from cvelistv5
Published
2023-08-25 00:00
Modified
2024-11-26 21:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in Libreswan before 4.12. When an IKEv2 Child SA REKEY packet contains an invalid IPsec protocol ID number of 0 or 1, an error notify INVALID_SPI is sent back. The notify payload's protocol ID is copied from the incoming packet, but the code that verifies outgoing packets fails an assertion that the protocol ID must be ESP (2) or AH(3) and causes the pluto daemon to crash and restart. NOTE: the earliest affected version is 3.20.
References
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CVE-2016-3071 (GCVE-0-2016-3071)
Vulnerability from cvelistv5
Published
2016-04-18 14:00
Modified
2024-08-05 23:40
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Libreswan 3.16 might allow remote attackers to cause a denial of service (daemon restart) via an IKEv2 aes_xcbc transform.
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CVE-2022-23094 (GCVE-0-2022-23094)
Vulnerability from cvelistv5
Published
2022-01-15 01:37
Modified
2024-08-03 03:28
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Libreswan 4.2 through 4.5 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted IKEv1 packet because pluto/ikev1.c wrongly expects that a state object exists. This is fixed in 4.6.
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CVE-2023-38712 (GCVE-0-2023-38712)
Vulnerability from cvelistv5
Published
2023-08-25 00:00
Modified
2024-08-02 17:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.
References
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CVE-2019-12312 (GCVE-0-2019-12312)
Vulnerability from cvelistv5
Published
2019-05-24 13:06
Modified
2024-08-04 23:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In Libreswan 3.27 an assertion failure can lead to a pluto IKE daemon restart. An attacker can trigger a NULL pointer dereference by initiating an IKEv2 IKE_SA_INIT exchange, followed by a bogus INFORMATIONAL exchange instead of the normallly expected IKE_AUTH exchange. This affects send_v2N_spi_response_from_state() in programs/pluto/ikev2_send.c that will then trigger a NULL pointer dereference leading to a restart of libreswan.
References
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CVE-2013-6467 (GCVE-0-2013-6467)
Vulnerability from cvelistv5
Published
2014-01-26 20:00
Modified
2024-08-06 17:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Libreswan 3.7 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon restart) via IKEv2 packets that lack expected payloads.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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CVE-2023-23009 (GCVE-0-2023-23009)
Vulnerability from cvelistv5
Published
2023-02-21 00:00
Modified
2025-03-17 17:02
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length.
References
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CVE-2013-7283 (GCVE-0-2013-7283)
Vulnerability from cvelistv5
Published
2014-01-09 16:00
Modified
2024-09-17 00:21
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Race condition in the libreswan.spec files for Red Hat Enterprise Linux (RHEL) and Fedora packages in libreswan 3.6 has unspecified impact and attack vectors, involving the /var/tmp/libreswan-nss-pwd temporary file.
References
| ► | URL | Tags | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
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CVE-2016-5361 (GCVE-0-2016-5361)
Vulnerability from cvelistv5
Published
2016-06-16 14:00
Modified
2024-08-06 01:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
programs/pluto/ikev1.c in libreswan before 3.17 retransmits in initial-responder states, which allows remote attackers to cause a denial of service (traffic amplification) via a spoofed UDP packet. NOTE: the original behavior complies with the IKEv1 protocol, but has a required security update from the libreswan vendor; as of 2016-06-10, it is expected that several other IKEv1 implementations will have vendor-required security updates, with separate CVE IDs assigned to each.
References
| ► | URL | Tags | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
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CVE-2013-4564 (GCVE-0-2013-4564)
Vulnerability from cvelistv5
Published
2014-01-07 17:00
Modified
2024-08-06 16:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Libreswan 3.6 allows remote attackers to cause a denial of service (crash) via a small length value and (1) no version or (2) an invalid major number in an IKE packet.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2020-1763 (GCVE-0-2020-1763)
Vulnerability from cvelistv5
Published
2020-05-12 13:41
Modified
2024-08-04 06:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
An out-of-bounds buffer read flaw was found in the pluto daemon of libreswan from versions 3.27 till 3.31 where, an unauthenticated attacker could use this flaw to crash libreswan by sending specially-crafted IKEv1 Informational Exchange packets. The daemon respawns after the crash.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| the libreswan Project | libreswan |
Version: from versions 3.27 till 3.31 |
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