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Ubuntu Security Notice USN-890-5 February 18, 2010
xmlrpc-c vulnerabilities
CVE-2009-3560, CVE-2009-3720
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A security issue affects the following Ubuntu releases:

Ubuntu 9.10

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 9.10:
libxmlrpc-core-c3 1.06.27-1ubuntu6.1

After a standard system upgrade you need to restart any applications linked
against XML-RPC for C and C++ to effect the necessary changes.

Details follow:

USN-890-1 fixed vulnerabilities in Expat. This update provides the
corresponding updates for XML-RPC for C and C++.

Original advisory details:

Jukka Taimisto, Tero Rontti and Rauli Kaksonen discovered that Expat did
not properly process malformed XML. If a user or application linked against
Expat were tricked into opening a crafted XML file, an attacker could cause
a denial of service via application crash. (CVE-2009-2625, CVE-2009-3720)

It was discovered that Expat did not properly process malformed UTF-8
sequences. If a user or application linked against Expat were tricked into
opening a crafted XML file, an attacker could cause a denial of service via
application crash. (CVE-2009-3560)