GLSA-201010-01 : Libpng: Multiple vulnerabilities

This script is Copyright (C) 2010-2017 Tenable Network Security, Inc.

Synopsis :

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

Description :

The remote host is affected by the vulnerability described in GLSA-201010-01
(Libpng: Multiple vulnerabilities)

Multiple vulnerabilities were found in libpng:
The png_decompress_chunk() function in pngrutil.c does not properly
handle certain type of compressed data (CVE-2010-0205)
A buffer overflow in pngread.c when using progressive applications
A memory leak in pngrutil.c when dealing with a certain type of
chunks (CVE-2010-2249)

Impact :

An attacker could exploit these vulnerabilities to cause programs linked
against the library to crash or execute arbitrary code with the
permissions of the user running the vulnerable program, which could be
the root user.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All libpng 1.4 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=media-libs/libpng-1.4.3'
All libpng 1.2 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=media-libs/libpng-1.2.46'

Risk factor :

High / CVSS Base Score : 7.8
CVSS Temporal Score : 6.1
Public Exploit Available : true

Family: Gentoo Local Security Checks

Nessus Plugin ID: 49771 (gentoo_GLSA-201010-01.nasl)

Bugtraq ID: 38478

CVE ID: CVE-2010-0205

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