GLSA-201502-10 : libpng: User-assisted execution of arbitrary code

Critical Nessus Plugin ID 81368


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


The remote host is affected by the vulnerability described in GLSA-201502-10 (libpng: User-assisted execution of arbitrary code)

Two vulnerabilities have been discovered in libpng:
The png_user_version_check function contains an out-of-bounds memory access error (libpng 1.6.15 Release Notes) The png_combine_row function contains an integer overflow error, which could result in a heap-based buffer overflow (CVE-2014-9495) Impact :

A context-dependent attacker could entice a user to open a specially crafted PNG file using an application linked against libpng, possibly resulting in execution of arbitrary code.
Workaround :

There is no known workaround at this time.


All libpng 1.6 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=media-libs/libpng-1.6.16' All libpng 1.5 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=media-libs/libpng-1.5.21'

See Also

Plugin Details

Severity: Critical

ID: 81368

File Name: gentoo_GLSA-201502-10.nasl

Version: Revision: 1.6

Type: local

Published: 2015/02/16

Updated: 2017/01/13

Dependencies: 12634

Risk Information

Risk Factor: Critical

CVSS v2.0

Base Score: 10

Temporal Score: 8.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:libpng, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2015/02/15

Reference Information

CVE: CVE-2014-9495

BID: 71820

GLSA: 201502-10