Mandriva Linux Security Advisory : libpng (MDVSA-2010:063)

This script is Copyright (C) 2010-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

Multiple vulnerabilities has been found and corrected in libpng :

libpng before 1.2.37 does not properly parse 1-bit interlaced images
with width values that are not divisible by 8, which causes libpng to
include uninitialized bits in certain rows of a PNG file and might
allow remote attackers to read portions of sensitive memory via
out-of-bounds pixels in the file (CVE-2009-2042).

The png_decompress_chunk function in pngrutil.c in libpng 1.0.x before
1.0.53, 1.2.x before 1.2.43, and 1.4.x before 1.4.1 does not properly
handle compressed ancillary-chunk data that has a disproportionately
large uncompressed representation, which allows remote attackers to
cause a denial of service (memory and CPU consumption, and application
hang) via a crafted PNG file, as demonstrated by use of the deflate
compression method on data composed of many occurrences of the same
character, related to a decompression bomb attack (CVE-2010-0205).

Packages for 2008.0 are provided for Corporate Desktop 2008.0
customers.

The updated packages have been patched to correct these issues.

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 6.8
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Mandriva Local Security Checks

Nessus Plugin ID: 45124 (mandriva_MDVSA-2010-063.nasl)

Bugtraq ID: 35233
38478

CVE ID: CVE-2009-2042
CVE-2010-0205

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