GLSA-201207-04 : X.Org X Server: Privilege escalation

critical Nessus Plugin ID 59896

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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-201207-04 (X.Org X Server: Privilege escalation)

The 'LogVHdrMessageVerb()' function in log.c contains a format string vulnerability.
NOTE: Exposure to this vulnerability is reduced in Gentoo due to X.Org X Server being built with '-D_FORTIFY_SOURCE=2' by default.
Impact :

A local attacker could gain escalated privileges or cause a Denial of Service condition.
Workaround :

There is no known workaround at this time.

Solution

All X.Org X Server 1.11.x users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=x11-base/xorg-server-1.11.4-r1' All X.Org X Server 1.10.x users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=x11-base/xorg-server-1.10.6-r1' X.Org X Server 1.9.x is not affected.

Plugin Details

Severity: Critical

ID: 59896

File Name: gentoo_GLSA-201207-04.nasl

Version: 1.6

Type: local

Family: Gentoo Local Security Checks

Published: 7/10/2012

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:xorg-server, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/9/2012

Reference Information

CVE: CVE-2012-2118

BID: 53150

GLSA: 201207-04

Detections

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