Signature Detail

HTTP: Apple Safari Webkit CSS Charset Text Transformation Code Execution

This signature detects attempts to exploit a known vulnerability in Apple Safari Webkit. It is due to the way the vulnerable application handles text objects through CSS. Remote attackers can exploit this by enticing the target user to open a maliciously crafted Web page. Successful exploitation can result in execution of arbitrary code within the security context of the current user.

Extended Description

Safari is prone to multiple security vulnerabilities that have been addressed in Apple security advisory APPLE-SA-2010-06-07-1. These issues affect versions prior to Safari 5.0 and 4.1 running on Apple Mac OS X, Windows 7, XP and Vista. Attackers can exploit these issues by enticing an unsuspecting user into visiting a malicious webpage. Successful attacks may result in information-disclosure, remote code-execution, denial-of-service, or other consequences. This BID is being retired. The following individual records exist to better document the issues: 40642 WebKit 'removeChild()' Remote Code Execution Vulnerability 40644 WebKit HTML Button Use After Free Remote Code Execution Vulnerability 40645 WebKit Marquee Event 'SelectionController' Remote Code Execution Vulnerability 40646 WebKit Editable Containers Remote Code Execution Vulnerability 40647 WebKit Option Element 'ContentEditable' Attribute Remote Code Execution Vulnerability 40649 WebKit 'ConditionEventListener' Remote Code Execution Vulnerability 40650 WebKit 'DOCUMENT_POSITION_DISCONNECTED' Attribute Remote Code Execution Vulnerability 40652 WebKit SVG 'RadialGradient' Attribute Remote Code Execution Vulnerability 40653 WebKit IBM1147 Character Set Text Transform Remote Code Execution Vulnerability 40654 WebKit Option Recursive Use Element Remote Code Execution Vulnerability 40655 WebKit 'first-letter' CSS Style Remote Code Execution Vulnerability 40656 WebKit SVG 'use' Element Remote Code Execution Vulnerability 40657 WebKit SVG 'use' Element Remote Code Execution Vulnerability 40658 WebKit Caption Element Handling Remote Code Execution Vulnerability 40659 WebKit Custom Vertical Positioning Remote Code Execution Vulnerability 40660 WebKit Dragging or Pasting Cross Domain Scripting Vulnerability 40661 WebKit Use After Free Remote Code Execution Vulnerability 40662 WebKit Hover Event Handling Remote Code Execution Vulnerability 40663 WebKit DOM Range Objects Remote Code Execution Vulnerability 40665 WebKit 'Node.normalize' Method Remote Code Execution Vulnerability 40665 WebKit 'Node.normalize' Method Remote Code Execution Vulnerability 40666 WebKit 'removeChild' DOM Method Remote Code Execution Vulnerability 40667 WebKit HTML Document Subtrees Remote Code Execution Vulnerability 40668 WebKit 'libxml' Context Handling Remote Code Execution Vulnerability 40669 Webkit UTF-7 Cross-Site Scripting Vulnerability 40670 WebKit Fonts Handling Remote Code Execution Vulnerability 40671 WebKit HTML Tables Remote Code Execution Vulnerability 40672 WebKit CSS-Styled HTML Handling Remote Code Execution Vulnerability 40673 Apple Safari PDF Handling Remote Code Execution Vulnerability 40674 Apple Safari Window Management Remote Code Execution Vulnerability 40675 Webkit HTML Document Fragments Cross Site Scripting Vulnerability 40697 WebKit Integer Truncation TCP Port Information Disclosure Vulnerability 40698 WebKit Keyboard Focus Cross Domain Information Disclosure Vulnerability 40704 Apple Safari Authentication Data URI Spoofing Vulnerability 40705 WebKit IRC Port Blacklist Information Disclosure Vulnerability 40707 Webkit DOM Constructor Object Cross Site Scripting Vulnerability 40710 WebKit 'frame.src' Validation Cross Site Scripting Vulnerability 40714 WebKit SVG Image Pattern Cross Domain Security Bypass Vulnerability 40717 WebKit Empty Hostname URI Handling Cross Site Scripting Vulnerability 40726 Webkit 'textarea' Element Cross-Site Scripting Vulnerability 40727 WebKit Cascading Stylesheets 'HREF' Information Disclosure Vulnerability 40732 WebKit HTTP Redirects Information Disclosure Vulnerability 40733 WebKit NTLM Credentials Information Disclosure Vulnerability 40750 WebKit HTTPS Redirect Information Disclosure Vulnerability 40752 WebKit HTTP URI Clipboard Information Disclosure Vulnerability 40753 WebKit Local Storage and Web SQL Database Directory Traversal Vulnerability 40754 WebKit 'execCommand()' Function Clipboard Overwrite Security Weakness 40756 WebKit ':visited' CSS Pseudo-class Information Disclosure Vulnerability

Affected Products

• Apple Safari 4
• Apple Safari 4.0.1
• Apple Safari 4.0.2
• Apple Safari 4.0.2 For Windows
• Apple Safari 4.0.3
• Apple Safari 4.0.3 For Windows
• Apple Safari 4.0.4
• Apple Safari 4.0.4 For Windows
• Apple Safari 4.0.5
• Apple Safari 4.0.5 For Windows
• Apple Safari 4 Beta
• Apple Safari 4 For Windows

References

• BugTraq: 40620
• CVE: CVE-2010-1770
• URL: http://support.apple.com/kb/HT4196