Mandrake Linux Security Advisory : pxelinux (MDKSA-2006:211)

This script is Copyright (C) 2007-2015 Tenable Network Security, Inc.


Synopsis :

The remote Mandrake Linux host is missing one or more security
updates.

Description :

PXELINUX is a PXE bootloader. It is built with a private copy of
libpng, and as such could be susceptible to some of the same
vulnerabilities :

Buffer overflow in the png_decompress_chunk function in pngrutil.c in
libpng before 1.2.12 allows context-dependent attackers to cause a
denial of service and possibly execute arbitrary code via unspecified
vectors related to 'chunk error processing,' possibly involving the
'chunk_name'. (CVE-2006-3334)

It is questionable whether this issue is actually exploitable, but the
patch to correct the issue has been included in versions < 1.2.12.

Tavis Ormandy, of the Gentoo Linux Security Auditing Team, discovered
a typo in png_set_sPLT() that may cause an application using libpng to
read out of bounds, resulting in a crash. (CVE-2006-5793)

Packages have been patched to correct these issues.

Solution :

Update the affected pxelinux and / or pxelinux-devel packages.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 6.5
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Mandriva Local Security Checks

Nessus Plugin ID: 24596 (mandrake_MDKSA-2006-211.nasl)

Bugtraq ID: 18698
21078

CVE ID: CVE-2006-3334
CVE-2006-5793

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