Gravité: : Critique
  Identifiant(s) CVE: : CVE-2010-0049
  Date du conseil: 15 février 2011

  Description

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 HTML elements with right-to-left (RTL) text directionality. nvd: Per: http://lists.apple.com/archives/security-announce/2010/Mar/msg00000. CVE-ID: CVE-2010-0049 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 the handling of HTML elements containing right-to-left displayed text. 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 for reporting this issue.

  Information Exposure Rating:

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.

  Solutions

  Trend Micro Deep Security DPI Rule Number: 1004168
  Trend Micro Deep Security DPI Rule Name: 1004168 - WebKit Right-to-Left Displayed Text Handling Memory Corruption

  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