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

2015年7月21日

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危険度: : 中

CVE識別番号: CVE-2009-3720

概要

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.

トレンドマイクロの対策

Apply associated Trend Micro DPI Rules.

対応方法

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

影響を受けるソフトウェア

james_clark expat 2.0.1