Expat UTF-8 Character XML Parsing Remote Denial of Service Vulnerability

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  Severity: MEDIUM

  CVE Identifier: CVE-2009-3720

  Advisory Date: JUL 21, 2015

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  DESCRIPTION

The updatePosition function in lib/xmltok_impl.c in libexpat in Expat 2.0.1, as used in Python, PyXML, w3c-libwww, and other software, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with crafted UTF-8 sequences that trigger a buffer over-read, a different vulnerability than CVE-2009-2625.

  TREND MICRO PROTECTION INFORMATION

Apply associated Trend Micro DPI Rules.

  SOLUTION

  Trend Micro Deep Security DPI Rule Number: 1003960

  Trend Micro Deep Security DPI Rule Name: 1003960 - Expat UTF-8 Character XML Parsing Remote Denial Of Service

  AFFECTED SOFTWARE AND VERSION

• james_clark expat 2.0.1