Test ID:	1.3.6.1.4.1.25623.1.1.12.2021.4905.2
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-4905-2)
Summary:	The remote host is missing an update for the 'xorg-server' package(s) announced via the USN-4905-2 advisory.
Description:	Summary: The remote host is missing an update for the 'xorg-server' package(s) announced via the USN-4905-2 advisory. Vulnerability Insight: USN-4905-1 fixed a vulnerability in X.Org. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain lengths of XInput extension ChangeFeedbackControl requests. An attacker could use this issue to cause the server to crash, resulting in a denial of service, or possibly execute arbitrary code. Affected Software/OS: 'xorg-server' package(s) on Ubuntu 14.04. Solution: Please install the updated package(s). CVSS Score: 7.2 CVSS Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2021-3472 Debian Security Information: DSA-4893 (Google Search) https://www.debian.org/security/2021/dsa-4893 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/ 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://security.gentoo.org/glsa/202104-02 https://gitlab.freedesktop.org/xorg/xserver/-/commit/7aaf54a1884f71dc363f0b884e57bcb67407a6cd https://seclists.org/oss-sec/2021/q2/20 https://www.tenable.com/plugins/nessus/148701 https://www.zerodayinitiative.com/advisories/ZDI-21-463/ https://bugzilla.redhat.com/show_bug.cgi?id=1944167 https://lists.x.org/archives/xorg-announce/2021-April/003080.html https://lists.debian.org/debian-lts-announce/2021/04/msg00013.html http://www.openwall.com/lists/oss-security/2021/04/13/1
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