X.Org X Font Server QueryXBitmaps and QueryXExtents Handlers Integer Overflow
危険度: 中
CVE識別番号: CVE-2007-4568
情報公開日: 2 15, 2011
概要
Integer overflow in the build_range function in X.Org X Font
Server (xfs) before 1.0.5 allows context-dependent attackers to execute
arbitrary code via (1) QueryXBitmaps and (2) QueryXExtents protocol requests
with crafted size values, which triggers a heap-based buffer overflow.
トレンドマイクロの対策
Trend Micro Deep Security shields networks through Deep Packet Inspection (DPI) rules. Trend Micro customers using OfficeScan with Intrusion Defense Firewall (IDF) plugin are also protected from attacks using these vulnerabilities. Please refer to the filter number and filter name when applying appropriate DPI and/or IDF rules.
対応方法
Trend Micro Deep Security DPI Rule Number: 1001135
Trend Micro Deep Security DPI Rule Name: 1001135 - X.Org X Font Server QueryXBitmaps and QueryXExtents Handlers Integer Overflow
影響を受けるソフトウェア
- X.Org X Font Server 1.0.1
- X.Org X Font Server 1.0.2
- X.Org X Font Server 1.0.4