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GLSA-200509-07 : X.Org: Heap overflow in pixmap allocation

medium Nessus Plugin ID 19686

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-200509-07 (X.Org: Heap overflow in pixmap allocation)

 X.Org is missing an integer overflow check during pixmap memory allocation.
 Impact :

 An X.Org user could exploit this issue to make the X server execute arbitrary code with elevated privileges.
 Workaround :

 There is no known workaround at this time.

Solution

All X.org users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=x11-base/xorg-x11-6.8.2-r3'

See Also

https://security.gentoo.org/glsa/200509-07

Plugin Details

Severity: Medium

ID: 19686

File Name: gentoo_GLSA-200509-07.nasl

Version: 1.16

Type: local

Published: 9/13/2005

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

CVSS v2

Risk Factor: Medium

Base Score: 5.1

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:xorg-x11, cpe:/o:gentoo:linux

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

Patch Publication Date: 9/12/2005

Vulnerability Publication Date: 9/13/2005

Reference Information

CVE: CVE-2005-2495

GLSA: 200509-07