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Debian Security Advisory 2652-1

Debian Security Advisory 2652-1
Posted Mar 26, 2013
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2652-1 - 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.

tags | advisory
systems | linux, debian
advisories | CVE-2013-0338, CVE-2013-0339
SHA-256 | 04ec56e7cfa9d1647f6ba4df2f17ae024aed83c6e87c37677e43bc3a80341400

Debian Security Advisory 2652-1

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- -------------------------------------------------------------------------
Debian Security Advisory DSA-2652-1 security@debian.org
http://www.debian.org/security/ Michael Gilbert
March 24, 2013 http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : libxml2
Vulnerability : external entity expansion
Problem type : remote
Debian-specific: no
CVE ID : CVE-2013-0338 CVE-2013-0339
Debian Bug : 702260

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.

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.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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