This script is Copyright (C) 2008-2015 Tenable Network Security, Inc.
The remote Gentoo host is missing one or more security-related
The remote host is affected by the vulnerability described in GLSA-200804-15
(libpng: Execution of arbitrary code)
Tavis Ormandy of the Google Security Team discovered that libpng does
not handle zero-length unknown chunks in PNG files correctly, which
might lead to memory corruption in applications that call
png_set_read_user_chunk_fn() or png_set_keep_unknown_chunks().
A remote attacker could entice a user or automated system to process a
specially crafted PNG image in an application using libpng and possibly
execute arbitrary code with the privileges of the user running the
application. Note that processing of unknown chunks is disabled by
default in most PNG applications, but some such as ImageMagick are
There is no known workaround at this time.
See also :
All libpng users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=media-libs/libpng-1.2.26-r1'
Risk factor :
High / CVSS Base Score : 7.5
CVSS Temporal Score : 6.5
Public Exploit Available : false
Family: Gentoo Local Security Checks
Nessus Plugin ID: 31962 (gentoo_GLSA-200804-15.nasl)
Bugtraq ID: 28770
CVE ID: CVE-2008-1382
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