Integer Underflow Affecting xorg-server package, versions <1.20.10-r5
Threat Intelligence
EPSS
0.04% (12th
percentile)
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Test your applications- Snyk ID SNYK-ALPINE320-XORGSERVER-7015425
- published 23 May 2024
- disclosed 26 Apr 2021
Introduced: 26 Apr 2021
CVE-2021-3472 Open this link in a new tabHow to fix?
Upgrade Alpine:3.20 xorg-server to version 1.20.10-r5 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream xorg-server package and not the xorg-server package as distributed by Alpine.
See How to fix? for Alpine:3.20 relevant fixed versions and status.
A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
References
- https://www.debian.org/security/2021/dsa-4893
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/
- https://security.gentoo.org/glsa/202104-02
- https://bugzilla.redhat.com/show_bug.cgi?id=1944167
- https://gitlab.freedesktop.org/xorg/xserver/-/commit/7aaf54a1884f71dc363f0b884e57bcb67407a6cd
- https://lists.x.org/archives/xorg-announce/2021-April/003080.html
- https://seclists.org/oss-sec/2021/q2/20
- https://www.tenable.com/plugins/nessus/148701
- https://www.zerodayinitiative.com/advisories/ZDI-21-463/
- https://lists.debian.org/debian-lts-announce/2021/04/msg00013.html
- http://www.openwall.com/lists/oss-security/2021/04/13/1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/
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