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

Medium Nessus Plugin ID 21490


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


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.


Update the affected packages.

See Also

Plugin Details

Severity: Medium

ID: 21490

File Name: freebsd_pkg_a863aa7424be11da8882000e0c33c2dc.nasl

Version: $Revision: 1.14 $

Type: local

Published: 2006/05/13

Modified: 2013/06/22

Dependencies: 12634

Risk Information

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

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 Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2005/09/15

Vulnerability Publication Date: 2005/09/12

Reference Information

CVE: CVE-2005-2495

BID: 14807

CERT: 102441