Description
Stack consumption vulnerability in the WebCore::CSSSelector function in WebKit, as used in Apple Safari 4.0.4, Apple Safari on iPhone OS and iPhone OS for iPod touch, and Google Chrome 4.0.249, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a STYLE element composed of a large number of *> sequences.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 2
- Apple Safari 4.0.4 / Google Chrome 4.0.249 - CSS style Stack Overflow Denial of Service (PoC) EDB-11567 · dos · Feb 24, 2010 · verified
- iPhone - 'WebCore::CSSSelector()' Remote Crash EDB-11574 · dos · Feb 24, 2010
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- safari-chrome-css-bo(56524) vdb-entry
- 43068 third-party-advisory
- 11574 exploit
- 11567 exploit
- 38398 vdb-entry
- ADV-2011-0212 vdb-entry
- webkit-cssselector-dos(56527) vdb-entry
- SUSE-SR:2011:002 vendor-advisory
- oval:org.mitre.oval:def:14301 vdb-entry signature