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Test ID:1.3.6.1.4.1.25623.1.0.702652
Category:Debian Local Security Checks
Title:Debian Security Advisory DSA 2652-1 (libxml2 - external entity expansion)
Summary:Brad Hill of iSEC Partners discovered that many XML implementations are;vulnerable to external entity expansion issues, which can be used for;various purposes such as firewall circumvention, disguising an IP;address, and denial-of-service. libxml2 was susceptible to these;problems when performing string substitution during entity expansion.
Description:Summary:
Brad Hill of iSEC Partners discovered that many XML implementations are
vulnerable to external entity expansion issues, which can be used for
various purposes such as firewall circumvention, disguising an IP
address, and denial-of-service. libxml2 was susceptible to these
problems when performing string substitution during entity expansion.

Affected Software/OS:
libxml2 on Debian Linux

Solution:
For the stable distribution (squeeze), these problems have been fixed in
version 2.7.8.dfsg-2+squeeze7.

For the testing (wheezy) and unstable (sid) distributions, these problems
have been fixed in version 2.8.0+dfsg1-7+nmu1.

We recommend that you upgrade your libxml2 packages.

CVSS Score:
6.8

CVSS Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2013-0338
Debian Security Information: DSA-2652 (Google Search)
http://www.debian.org/security/2013/dsa-2652
HPdes Security Advisory: HPSBGN03302
http://marc.info/?l=bugtraq&m=142798889927587&w=2
HPdes Security Advisory: SSRT101996
http://www.mandriva.com/security/advisories?name=MDVSA-2013:056
http://secunia.com/advisories/52662
http://secunia.com/advisories/55568
SuSE Security Announcement: SUSE-SU-2013:1627 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00002.html
SuSE Security Announcement: openSUSE-SU-2013:0552 (Google Search)
http://lists.opensuse.org/opensuse-updates/2013-03/msg00112.html
SuSE Security Announcement: openSUSE-SU-2013:0555 (Google Search)
http://lists.opensuse.org/opensuse-updates/2013-03/msg00114.html
http://www.ubuntu.com/usn/USN-1782-1
Common Vulnerability Exposure (CVE) ID: CVE-2013-0339
https://bugzilla.redhat.com/show_bug.cgi?id=915149
https://git.gnome.org/browse/libxml2/commit/?id=4629ee02ac649c27f9c0cf98ba017c6b5526070f
http://openwall.com/lists/oss-security/2013/02/21/24
http://openwall.com/lists/oss-security/2013/02/22/3
http://www.openwall.com/lists/oss-security/2013/04/12/6
http://seclists.org/oss-sec/2013/q4/182
http://seclists.org/oss-sec/2013/q4/184
http://seclists.org/oss-sec/2013/q4/188
http://secunia.com/advisories/54172
http://www.ubuntu.com/usn/USN-1904-1
http://www.ubuntu.com/usn/USN-1904-2
CopyrightCopyright (C) 2013 Greenbone Networks GmbH http://greenbone.net

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