Apple Safari Right-to-Left Text Rendering Use After Free Vulnerability
Severity: CRITICAL
CVE Identifier: CVE-2010-0049
Advisory Date: FEB 14, 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. 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.
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: 1004083
Trend Micro Deep Security DPI Rule Name: 1004083 - Apple Safari Right-to-Left Text Rendering Use After Free Vulnerability
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
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