opensuse-su-2021:0734-1
Vulnerability from csaf_opensuse
Published
2021-05-15 16:04
Modified
2021-05-15 16:04
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).
This update was imported from the SUSE:SLE-15:Update update project.
Patchnames
openSUSE-2021-734
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
{ "document": { "aggregate_severity": { "namespace": "https://www.suse.com/support/security/rating/", "text": "moderate" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright 2024 SUSE LLC. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "Security update for openvpn", "title": "Title of the patch" }, { "category": "description", "text": "This update for openvpn fixes the following issues:\n\n- CVE-2020-15078: Fixed authentication bypass with deferred authentication (bsc#1185279).\n- CVE-2020-11810: Fixed race condition between allocating peer-id and initializing data channel key (bsc#1169925).\n- CVE-2018-7544: Fixed cross-protocol scripting issue that was discovered in the management interface (bsc#1085803).\n\nThis update was imported from the SUSE:SLE-15:Update update project.", "title": "Description of the patch" }, { "category": "details", "text": "openSUSE-2021-734", "title": "Patchnames" }, { "category": "legal_disclaimer", "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).", "title": "Terms of use" } ], "publisher": { "category": "vendor", "contact_details": "https://www.suse.com/support/security/contact/", "name": "SUSE Product Security Team", "namespace": "https://www.suse.com/" }, "references": [ { "category": "external", "summary": "SUSE ratings", "url": "https://www.suse.com/support/security/rating/" }, { "category": "self", "summary": "URL of this CSAF notice", "url": "https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2021_0734-1.json" }, { "category": "self", "summary": "URL for openSUSE-SU-2021:0734-1", "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/C5VK3H4AGK4ZRCLIB2D3IB7SS5RI4AZK/" }, { "category": "self", "summary": "E-Mail link for openSUSE-SU-2021:0734-1", "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/C5VK3H4AGK4ZRCLIB2D3IB7SS5RI4AZK/" }, { "category": "self", "summary": "SUSE Bug 1085803", "url": "https://bugzilla.suse.com/1085803" }, { "category": "self", "summary": "SUSE Bug 1169925", "url": "https://bugzilla.suse.com/1169925" }, { "category": "self", "summary": "SUSE Bug 1185279", "url": "https://bugzilla.suse.com/1185279" }, { "category": "self", "summary": "SUSE CVE CVE-2018-7544 page", "url": "https://www.suse.com/security/cve/CVE-2018-7544/" }, { "category": "self", "summary": "SUSE CVE CVE-2020-11810 page", "url": "https://www.suse.com/security/cve/CVE-2020-11810/" }, { "category": "self", "summary": "SUSE CVE CVE-2020-15078 page", "url": "https://www.suse.com/security/cve/CVE-2020-15078/" } ], "title": "Security update for openvpn", "tracking": { "current_release_date": "2021-05-15T16:04:52Z", "generator": { "date": "2021-05-15T16:04:52Z", "engine": { "name": "cve-database.git:bin/generate-csaf.pl", "version": "1" } }, "id": "openSUSE-SU-2021:0734-1", "initial_release_date": "2021-05-15T16:04:52Z", "revision_history": [ { "date": "2021-05-15T16:04:52Z", "number": "1", "summary": "Current version" } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version", "name": "openvpn-2.4.3-lp152.6.3.1.x86_64", "product": { "name": "openvpn-2.4.3-lp152.6.3.1.x86_64", "product_id": "openvpn-2.4.3-lp152.6.3.1.x86_64" } }, { "category": "product_version", "name": "openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1.x86_64", "product": { "name": "openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1.x86_64", "product_id": "openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1.x86_64" } }, { "category": "product_version", "name": "openvpn-devel-2.4.3-lp152.6.3.1.x86_64", "product": { "name": "openvpn-devel-2.4.3-lp152.6.3.1.x86_64", "product_id": "openvpn-devel-2.4.3-lp152.6.3.1.x86_64" } }, { "category": "product_version", "name": "openvpn-down-root-plugin-2.4.3-lp152.6.3.1.x86_64", "product": { "name": "openvpn-down-root-plugin-2.4.3-lp152.6.3.1.x86_64", "product_id": "openvpn-down-root-plugin-2.4.3-lp152.6.3.1.x86_64" } } ], "category": "architecture", "name": "x86_64" }, { "branches": [ { "category": "product_name", "name": "openSUSE Leap 15.2", "product": { "name": "openSUSE Leap 15.2", "product_id": "openSUSE Leap 15.2", "product_identification_helper": { "cpe": "cpe:/o:opensuse:leap:15.2" } } } ], "category": "product_family", "name": "SUSE Linux Enterprise" } ], "category": "vendor", "name": "SUSE" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "openvpn-2.4.3-lp152.6.3.1.x86_64 as component of openSUSE Leap 15.2", "product_id": "openSUSE Leap 15.2:openvpn-2.4.3-lp152.6.3.1.x86_64" }, "product_reference": "openvpn-2.4.3-lp152.6.3.1.x86_64", "relates_to_product_reference": "openSUSE Leap 15.2" }, { "category": "default_component_of", "full_product_name": { "name": "openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1.x86_64 as component of openSUSE Leap 15.2", "product_id": "openSUSE Leap 15.2:openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1.x86_64" }, "product_reference": "openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1.x86_64", "relates_to_product_reference": "openSUSE Leap 15.2" }, { "category": "default_component_of", "full_product_name": { "name": "openvpn-devel-2.4.3-lp152.6.3.1.x86_64 as component of openSUSE Leap 15.2", "product_id": "openSUSE Leap 15.2:openvpn-devel-2.4.3-lp152.6.3.1.x86_64" }, "product_reference": "openvpn-devel-2.4.3-lp152.6.3.1.x86_64", "relates_to_product_reference": "openSUSE Leap 15.2" }, { "category": "default_component_of", "full_product_name": { "name": "openvpn-down-root-plugin-2.4.3-lp152.6.3.1.x86_64 as component of openSUSE Leap 15.2", "product_id": "openSUSE Leap 15.2:openvpn-down-root-plugin-2.4.3-lp152.6.3.1.x86_64" }, "product_reference": "openvpn-down-root-plugin-2.4.3-lp152.6.3.1.x86_64", "relates_to_product_reference": "openSUSE Leap 15.2" } ] }, "vulnerabilities": [ { "cve": "CVE-2018-7544", "ids": [ { "system_name": "SUSE CVE Page", "text": "https://www.suse.com/security/cve/CVE-2018-7544" } ], "notes": [ { "category": "general", "text": "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", "title": "CVE description" } ], "product_status": { "recommended": [ "openSUSE Leap 15.2:openvpn-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-devel-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-down-root-plugin-2.4.3-lp152.6.3.1.x86_64" ] }, "references": [ { "category": "external", "summary": "CVE-2018-7544", "url": "https://www.suse.com/security/cve/CVE-2018-7544" }, { "category": "external", "summary": "SUSE Bug 1085803 for CVE-2018-7544", "url": "https://bugzilla.suse.com/1085803" } ], "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": [ "openSUSE Leap 15.2:openvpn-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-devel-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-down-root-plugin-2.4.3-lp152.6.3.1.x86_64" ] } ], "scores": [ { "cvss_v3": { "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0" }, "products": [ "openSUSE Leap 15.2:openvpn-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-devel-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-down-root-plugin-2.4.3-lp152.6.3.1.x86_64" ] } ], "threats": [ { "category": "impact", "date": "2021-05-15T16:04:52Z", "details": "low" } ], "title": "CVE-2018-7544" }, { "cve": "CVE-2020-11810", "ids": [ { "system_name": "SUSE CVE Page", "text": "https://www.suse.com/security/cve/CVE-2020-11810" } ], "notes": [ { "category": "general", "text": "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\u0027s peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim\u0027s 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.", "title": "CVE description" } ], "product_status": { "recommended": [ "openSUSE Leap 15.2:openvpn-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-devel-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-down-root-plugin-2.4.3-lp152.6.3.1.x86_64" ] }, "references": [ { "category": "external", "summary": "CVE-2020-11810", "url": "https://www.suse.com/security/cve/CVE-2020-11810" }, { "category": "external", "summary": "SUSE Bug 1169925 for CVE-2020-11810", "url": "https://bugzilla.suse.com/1169925" } ], "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": [ "openSUSE Leap 15.2:openvpn-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-devel-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-down-root-plugin-2.4.3-lp152.6.3.1.x86_64" ] } ], "scores": [ { "cvss_v3": { "baseScore": 3.7, "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1" }, "products": [ "openSUSE Leap 15.2:openvpn-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-devel-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-down-root-plugin-2.4.3-lp152.6.3.1.x86_64" ] } ], "threats": [ { "category": "impact", "date": "2021-05-15T16:04:52Z", "details": "low" } ], "title": "CVE-2020-11810" }, { "cve": "CVE-2020-15078", "ids": [ { "system_name": "SUSE CVE Page", "text": "https://www.suse.com/security/cve/CVE-2020-15078" } ], "notes": [ { "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": { "recommended": [ "openSUSE Leap 15.2:openvpn-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-devel-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-down-root-plugin-2.4.3-lp152.6.3.1.x86_64" ] }, "references": [ { "category": "external", "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": [ "openSUSE Leap 15.2:openvpn-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-devel-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-down-root-plugin-2.4.3-lp152.6.3.1.x86_64" ] } ], "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" }, "products": [ "openSUSE Leap 15.2:openvpn-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-devel-2.4.3-lp152.6.3.1.x86_64", "openSUSE Leap 15.2:openvpn-down-root-plugin-2.4.3-lp152.6.3.1.x86_64" ] } ], "threats": [ { "category": "impact", "date": "2021-05-15T16:04:52Z", "details": "moderate" } ], "title": "CVE-2020-15078" } ] }
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Sightings
Author | Source | Type | Date |
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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.
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