Vulnerability CVE-2009-1236
Published: 2009-04-02   Modified: 2012-02-13

Description:
Heap-based buffer overflow in the AppleTalk networking stack in XNU 1228.3.13 and earlier on Apple Mac OS X 10.5.6 and earlier allows remote attackers to cause a denial of service (system crash) via a ZIP NOTIFY (aka ZIPOP_NOTIFY) packet that overwrites a certain ifPort structure member.

See advisories in our WLB2 database:
Topic
Author
Date
High
Mac OS X xnu <= 1228.3.13 (zip-notify) Remote Kernel Overflow PoC
mu-b
05.04.2009

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Apple -> Mac os x 
Apple -> Mac os x server 

 References:
http://www.securityfocus.com/bid/34201
http://www.milw0rm.com/exploits/8262
http://www.informationweek.com/news/hardware/mac/showArticle.jhtml?articleID=216401181
http://www.digit-labs.org/files/exploits/xnu-appletalk-zip.c
http://secunia.com/advisories/34424
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