CVE-2009-1236 EXPLOIT
10.0
HIGH · CVSS 2.0 · EPSS 8.4% (pctl 95)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 10.0 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| EPSS | 8.41% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2009-04-02 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| apple | mac os x |
| apple | mac os x server |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Apple Mac OSX xnu 1228.3.13 - 'zip-notify' Remote Kernel Overflow (PoC) | 2009-03-23 |
References
- http://secunia.com/advisories/34424
- http://www.digit-labs.org/files/exploits/xnu-appletalk-zip.c
- http://www.informationweek.com/news/hardware/mac/showArticle.jhtml?articleID=216401181
- http://www.securityfocus.com/bid/34201
- https://www.exploit-db.com/exploits/8262
- http://secunia.com/advisories/34424
- http://www.digit-labs.org/files/exploits/xnu-appletalk-zip.c
- http://www.informationweek.com/news/hardware/mac/showArticle.jhtml?articleID=216401181
- http://www.securityfocus.com/bid/34201
- https://www.exploit-db.com/exploits/8262
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