Trend Micro Security

Apple Webkit Blink Event Dangling Pointer Remote Code Execution Vulnerability

2011年2月14日
  危険度: : 緊急
  CVE識別番号: CVE-2010-0050

  概要

Use-after-free vulnerability in WebKit in Apple Safari before 4.0.5 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via an HTML document with improperly nested tags. nvd: Per: http://lists.apple.com/archives/security-announce/2010/Mar/msg00000.html 'WebKit CVE-ID: CVE-2010-0050 Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.1 or later, Mac OS X Server v10.6.1 or later, Windows 7, Vista, XP Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution Description: A use-after-free issue exists in WebKit's handling of incorrectly nested HTML tags. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved memory reference tracking. Credit to wushi&Z of team509 working with TippingPoint's Zero Day Initiative for reporting this issue.

  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: 1004173
  Trend Micro Deep Security DPI Rule Name: 1004173 - Apple Webkit Blink Event Dangling Pointer Remote Code Execution

  影響を受けるソフトウェア

  • Apple Safari 4.0
  • Apple Safari 4.0.0b
  • Apple Safari 4.0.1
  • Apple Safari 4.0.2
  • Apple Safari 4.0.3
  • Apple Safari 4.0.4