CVE-2009-1235

Public Exploit

Description

XNU 1228.9.59 and earlier on Apple Mac OS X 10.5.6 and earlier does not properly restrict interaction between user space and the HFS IOCTL handler, which allows local users to overwrite kernel memory and gain privileges by attaching an HFS+ disk image and performing certain steps involving HFS_GET_BOOT_INFO fcntl calls.

Category

7.2
CVSS
Severity: High
CVSS 2.0 •
EPSS 0.20%
Vendor Advisory apple.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://support.apple.com/kb/HT3757
http://www.vupen.com/english/advisories/2009/0822 vdb entry vendor advisory
http://secunia.com/advisories/36096 third party advisory
http://secunia.com/advisories/34424 third party advisory
http://www.digit-labs.org/files/exploits/xnu-hfs-fcntl-v2.c exploit
http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.html vendor advisory
http://www.digit-labs.org/files/exploits/xnu-hfs-fcntl-v2.sh exploit
http://www.securityfocus.com/bid/34203 vdb entry exploit
https://www.exploit-db.com/exploits/8266 exploit
http://www.securitytracker.com/id?1022671 vdb entry
http://www.informationweek.com/news/hardware/mac/showArticle.jhtml?articleID=216401181
http://www.vupen.com/english/advisories/2009/2172 vdb entry
http://www.us-cert.gov/cas/techalerts/TA09-218A.html third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2009-1235?
CVE-2009-1235 has been scored as a high severity vulnerability.
How to fix CVE-2009-1235?
To fix CVE-2009-1235, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-1235 being actively exploited in the wild?
It is possible that CVE-2009-1235 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.