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TITLE:
MySQL "ExtractValue()" and "UpdateXML()" Scalar XPath Denial of
Service

SECUNIA ADVISORY ID:
SA34115

VERIFY ADVISORY:
http://secunia.com/advisories/34115/

DESCRIPTION:
A vulnerability has been reported in MySQL, which can be exploited by
malicious users to cause a DoS (Denial of Service).

The vulnerability is caused due to an error when processing XPath
expressions containing scalar FilterExp expressions. This can be
exploited to crash a vulnerable server by e.g. invoking the
"ExtractValue()" or "UpdateXML()" functions with a specially crafted
XPath expression. 

The vulnerability is reported in version 5.1.15 and 5.1.30. Other
versions may also be affected.

SOLUTION:
Update to version 5.1.32.

PROVIDED AND/OR DISCOVERED BY:
Shane Bester

ORIGINAL ADVISORY:
MySQL changes for version 5.1.32:
http://dev.mysql.com/doc/refman/5.1/en/news-5-1-32.html

MySQL bug #42495:
http://bugs.mysql.com/bug.php?id=42495

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