National Cyber Awareness System
Vulnerability Summary for CVE-2011-1344
Original release date:03/10/2011
Last revised:03/30/2012
Source:
US-CERT/NIST
Overview
Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2 for iPhone, iPod, and iPad; iOS before 4.2.7 for iPhone 4 (CDMA); and possibly other products allows remote attackers to execute arbitrary code by adding children to a WBR tag and then removing the tag, related to text nodes, as demonstrated by Chaouki Bekrar during a Pwn2Own competition at CanSecWest 2011.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: XF
Name: safari-webkit-unspec-code-exec(66061)
External Source: MISC
Name: http://www.zerodayinitiative.com/advisories/ZDI-11-135
External Source: MISC
Name: http://www.zdnet.com/blog/security/safarimacbook-first-to-fall-at-pwn2own-2011/8358
External Source: VUPEN
Name: ADV-2011-0984
External Source: SECTRACK
Name: 1025363
External Source: BID
Name: 46822
External Source: BUGTRAQ
Name: 20110415 VUPEN Security Research - Apple Safari Text Nodes Remote Use-after-free Vulnerability (CVE-2011-1344)
External Source: BUGTRAQ
Name: 20110414 ZDI-11-135: (Pwn2Own) WebKit WBR Tag Removal Remote Code Execution Vulnerability
External Source: MISC
Name: http://www.computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own
External Source: MISC
Name: http://twitter.com/aaronportnoy/statuses/45632544967901187
External Source: CONFIRM
Name: http://support.apple.com/kb/HT4607
External Source: CONFIRM
Name: http://support.apple.com/kb/HT4596
External Source: SECUNIA
Name: 44154
External Source: SECUNIA
Name: 44151
External Source: APPLE
Name: APPLE-SA-2011-04-14-3
External Source: APPLE
Name: APPLE-SA-2011-04-14-2
External Source: APPLE
Name: APPLE-SA-2011-04-14-1
External Source: MISC
Name: http://dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011
Technical Details
- Resource Management Errors (CWE-399)