csaf_suse - suse-su-2021:1577-1

suse-su-2021:1577-1

Vulnerability from csaf_suse

Published

2021-05-12 10:07

Modified

2021-05-12 10:07

Summary

Security update for openvpn

Notes

Title of the patch

Security update for openvpn

Description of the patch

This update for openvpn fixes the following issues: - CVE-2020-15078: Fixed authentication bypass with deferred authentication (bsc#1185279). - CVE-2020-11810: Fixed race condition between allocating peer-id and initializing data channel key (bsc#1169925). - CVE-2018-7544: Fixed cross-protocol scripting issue that was discovered in the management interface (bsc#1085803).

Patchnames

SUSE-2021-1577,SUSE-SLE-Module-Basesystem-15-SP2-2021-1577,SUSE-SLE-Module-Basesystem-15-SP3-2021-1577

CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).

JSON

To clipboard

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          "title": "CVE description"
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      ],
      "threats": [
        {
          "category": "impact",
          "date": "2021-05-12T10:07:01Z",
          "details": "low"
        }
      ],
      "title": "CVE-2020-11810"
    },
    {
      "cve": "CVE-2020-15078",
      "ids": [
        {
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          "text": "https://www.suse.com/security/cve/CVE-2020-15078"
        }
      ],
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        {
          "category": "general",
          "text": "OpenVPN 2.5.1 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "summary": "CVE-2020-15078",
          "url": "https://www.suse.com/security/cve/CVE-2020-15078"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1185279 for CVE-2020-15078",
          "url": "https://bugzilla.suse.com/1185279"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
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      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
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      ],
      "threats": [
        {
          "category": "impact",
          "date": "2021-05-12T10:07:01Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2020-15078"
    }
  ]
}

CVE-2020-15078 (GCVE-0-2020-15078)

Vulnerability from cvelistv5

Published

2021-04-26 13:19

Modified

2024-08-04 13:08

Severity ?

CWE

CWE-305 - Authentication Bypass by Primary Weakness

Summary

OpenVPN 2.5.1 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.

References

►

URL

Tags

	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GJUXEYHUPREEBPX23VPEKMFXUPVO3PMU/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PLDB3OBQ3AODYYRN7NRCABV6I4AUFAT6/	vendor-advisory, x_refsource_FEDORA
	https://community.openvpn.net/openvpn/wiki/CVE-2020-15078	x_refsource_MISC
	https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JGEGLC4YGBDN5CGHTNWN2GH6DJJA36T2/	vendor-advisory, x_refsource_FEDORA
	https://security.gentoo.org/glsa/202105-25	vendor-advisory, x_refsource_GENTOO
	https://usn.ubuntu.com/usn/usn-4933-1	vendor-advisory, x_refsource_UBUNTU
	https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	OpenVPN	Version: 2.5.1 and earlier versions

Show details on NVD website

JSON

To clipboard

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  "dataVersion": "5.1"
}

CVE-2020-11810 (GCVE-0-2020-11810)

Vulnerability from cvelistv5

Published

2020-04-27 14:47

Modified

2024-08-04 11:42

Severity ?

CWE

Summary

An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 (P_DATA_V2) packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be dropped. This requires careful timing due to the small time window (usually within a few seconds) between the victim client connection starting and the server PUSH_REPLY response back to the client. This attack will only work if Negotiable Cipher Parameters (NCP) is in use.

References

►

URL

Tags

	https://github.com/OpenVPN/openvpn/commit/37bc691e7d26ea4eb61a8a434ebd7a9ae76225ab	x_refsource_CONFIRM
	https://security-tracker.debian.org/tracker/CVE-2020-11810	x_refsource_MISC
	https://bugzilla.suse.com/show_bug.cgi?id=1169925	x_refsource_CONFIRM
	https://community.openvpn.net/openvpn/ticket/1272	x_refsource_CONFIRM
	https://patchwork.openvpn.net/patch/1079/	x_refsource_CONFIRM
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FGHHV4YZANZW45KZTJJGVGPFMSXYRCKZ/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JII7RYYYRBPQNEGGVSOXCM7JUZ43T3VH/	vendor-advisory, x_refsource_FEDORA
	https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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CVE-2018-7544 (GCVE-0-2018-7544)

Vulnerability from cvelistv5

Published

2018-03-16 15:00

Modified

2024-11-14 20:46

Severity ?

CWE

Summary

A cross-protocol scripting issue was discovered in the management interface in OpenVPN through 2.4.5. When this interface is enabled over TCP without a password, and when no other clients are connected to this interface, attackers can execute arbitrary management commands, obtain sensitive information, or cause a denial of service (SIGTERM) by triggering XMLHttpRequest actions in a web browser. This is demonstrated by a multipart/form-data POST to http://localhost:23000 with a "signal SIGTERM" command in a TEXTAREA element. NOTE: The vendor disputes that this is a vulnerability. They state that this is the result of improper configuration of the OpenVPN instance rather than an intrinsic vulnerability, and now more explicitly warn against such configurations in both the management-interface documentation, and with a runtime warning

References

►

URL

Tags

http://blog.0xlabs.com/2018/03/openvpn-remote-information-disclosure.html

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-14T20:46:06.262821Z",
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Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

suse-su-2021:1577-1

Vulnerability from csaf_suse

CVE-2020-15078 (GCVE-0-2020-15078)

Vulnerability from cvelistv5

CVE-2020-11810 (GCVE-0-2020-11810)

Vulnerability from cvelistv5

CVE-2018-7544 (GCVE-0-2018-7544)

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature