FreeBSD : X11 server -- pixmap allocation vulnerability (a863aa74-24be-11da-8882-000e0c33c2dc)

medium Nessus Plugin ID 21490

Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

Allocating large pixmaps by a client can trigger an integer overflow in the X server, potentially leading to execution of arbitrary code with elevated (root) privileges.

Solution

Update the affected packages.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=166856

https://bugs.freedesktop.org/show_bug.cgi?id=594

http://www.nessus.org/u?43504316

Plugin Details

Severity: Medium

ID: 21490

File Name: freebsd_pkg_a863aa7424be11da8882000e0c33c2dc.nasl

Version: 1.18

Type: local

Published: 5/13/2006

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 3.8

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:xfree86-server, p-cpe:/a:freebsd:freebsd:xorg-server, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 9/15/2005

Vulnerability Publication Date: 9/12/2005

Reference Information

CVE: CVE-2005-2495

BID: 14807

CERT: 102441