Apple Mac OS X KHTMLParser denial of service

macos-khtmlparser-dos (23819)

Low Risk

Description:

Apple Mac OS X is vulnerable to a denial of service. A remote attacker could create a specially-crafted HTML file that when parsed by KHTMLParser would cause the application to crash.

Platforms Affected:

• Apple, Mac OS X 10.0
• Apple, Mac OS X 10.0.4
• Apple, Mac OS X 10.1
• Apple, Mac OS X 10.1.1
• Apple, Mac OS X 10.1.2
• Apple, Mac OS X 10.1.3
• Apple, Mac OS X 10.1.4
• Apple, Mac OS X 10.1.5
• Apple, Mac OS X 10.2
• Apple, Mac OS X 10.2.1
• Apple, Mac OS X 10.2.2
• Apple, Mac OS X 10.2.3
• Apple, Mac OS X 10.2.4
• Apple, Mac OS X 10.2.5
• Apple, Mac OS X 10.2.6
• Apple, Mac OS X 10.2.7
• Apple, Mac OS X 10.2.8
• Apple, Mac OS X 10.3
• Apple, Mac OS X 10.3.1
• Apple, Mac OS X 10.3.2
• Apple, Mac OS X 10.3.3
• Apple, Mac OS X 10.3.4
• Apple, Mac OS X 10.3.5
• Apple, Mac OS X 10.3.6
• Apple, Mac OS X 10.3.7
• Apple, Mac OS X 10.3.8
• Apple, Mac OS X 10.3.9
• Apple, Mac OS X 10.4
• Apple, Mac OS X 10.4.1
• Apple, Mac OS X 10.4.10
• Apple, Mac OS X 10.4.11
• Apple, Mac OS X 10.4.2
• Apple, Mac OS X 10.4.3
• Apple, Mac OS X Server 10.0
• Apple, Mac OS X Server 10.0.1
• Apple, Mac OS X Server 10.0.2
• Apple, Mac OS X Server 10.0.3
• Apple, Mac OS X Server 10.1
• Apple, Mac OS X Server 10.1.1
• Apple, Mac OS X Server 10.1.2
• Apple, Mac OS X Server 10.1.3
• Apple, Mac OS X Server 10.1.4
• Apple, Mac OS X Server 10.1.5
• Apple, Mac OS X Server 10.2
• Apple, Mac OS X Server 10.2.1
• Apple, Mac OS X Server 10.2.2
• Apple, Mac OS X Server 10.2.3
• Apple, Mac OS X Server 10.2.4
• Apple, Mac OS X Server 10.2.5
• Apple, Mac OS X Server 10.2.6
• Apple, Mac OS X Server 10.2.7
• Apple, Mac OS X Server 10.2.8
• Apple, Mac OS X Server 10.3
• Apple, Mac OS X Server 10.3.1
• Apple, Mac OS X Server 10.3.2
• Apple, Mac OS X Server 10.3.3
• Apple, Mac OS X Server 10.3.4
• Apple, Mac OS X Server 10.3.5
• Apple, Mac OS X Server 10.3.6
• Apple, Mac OS X Server 10.3.7
• Apple, Mac OS X Server 10.3.8
• Apple, Mac OS X Server 10.3.9
• Apple, Mac OS X Server 10.4
• Apple, Mac OS X Server 10.4.1
• Apple, Mac OS X Server 10.4.10
• Apple, Mac OS X Server 10.4.11
• Apple, Mac OS X Server 10.4.2
• Apple, Mac OS X Server 10.4.3
• Apple, Safari 1.0
• Apple, Safari 1.1
• Apple, Safari 1.2
• Apple, Safari 1.2.1
• Apple, Safari 1.2.2
• Apple, Safari 1.2.3
• Apple, Safari 1.3
• Apple, Safari 2.0
• Apple, Safari 2.0.1
• Apple, Safari 2.0.2
• Apple, Textedit 1.4

Remedy:

Apply Apple Security Update 2006-001, available from the Apple Web site. See References.

Consequences:

Denial of Service

References:

• Apple Web site, APPLE-SA-2006 Security Update 2006-001 at http://lists.apple.com/archives/security-announce/2006/Mar/msg00000.html.
• Security-Protocols Advisory December 21, 2005, Mac OS X <= 10.4.3 KHTMLParser DoS at http://security-protocols.com/advisory/sp-x22-advisory.txt.
• BID-16045: Apple Mac OS X KHTMLParser Remote Denial of Service Vulnerability
• BID-16907: Apple Mac OS X Security Update 2006-001 Multiple Vulnerabilities
• CVE-2005-4504: The khtml::RenderTableSection::ensureRows function in KHTMLParser in Apple Mac OS X 10.4.3 and earlier, as used by Safari and TextEdit, allows remote attackers to cause a denial of service (memory consumption and application crash) via HTML files with a large ROWSPAN attribute in a TD tag.
• FrSIRT/ADV-2005-3058: Apple Mac OS X KHTMLParser Remote Command Execution Vulnerability
• FrSIRT/ADV-2006-0791: Apple Mac OS X Code Execution and Denial of Service Vulnerabilities
• SA18220: Mac OS X KHTMLParser Denial of Service Weakness
• SA19064: Mac OS X Security Update Fixes Multiple Vulnerabilities
• US-CERT VU#351217: Apple Safari WebKit component vulnerable to buffer overflow

Reported:

Dec 22, 2005

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