Ubuntu 4.10 / 5.04 : xorg, xfree86 vulnerabilities (USN-182-1)

Ubuntu Security Notice (C) 2005-2016 Canonical, Inc. / NASL script (C) 2006-2016 Tenable Network Security, Inc.

Synopsis :

The remote Ubuntu host is missing one or more security-related

Description :

A local privilege escalation vulnerability has been discovered in the
pixmap allocation handling of the X server. By allocating a huge
pixmap, a local user could trigger an integer overflow that resulted
in a memory allocation that was too small for the requested pixmap.
This resulted in a buffer overflow which could eventually be exploited
to execute arbitrary code with full root privileges.

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected packages.

Risk factor :

Medium / CVSS Base Score : 5.1

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 20593 ()

Bugtraq ID:

CVE ID: CVE-2005-2495

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