Apple Safari Webkit Button First-Letter Style Rendering Code Execution

  Severity: CRITICAL
  CVE Identifier: CVE-2010-1392
  Advisory Date: FEB 14, 2011

  DESCRIPTION

Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors related to HTML buttons and the first-letter CSS style.

  TREND MICRO PROTECTION INFORMATION

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.

  SOLUTION

  Trend Micro Deep Security DPI Rule Number: 1004374
  Trend Micro Deep Security DPI Rule Name: 1004374 - Apple Safari Webkit Button First-Letter Style Rendering Code Execution

  AFFECTED SOFTWARE AND VERSION

  • 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
  • Apple Safari 4.0.5
  • Apple Webkit