National Cyber-Alert System

Vulnerability Summary for CVE-2009-1235

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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US-CERT Technical Alert: TA09-218A

Name: TA09-218A

Hyperlink:http://www.us-cert.gov/cas/techalerts/TA09-218A.html

External Source: VUPEN

Name: ADV-2009-2172

Hyperlink:http://www.vupen.com/english/advisories/2009/2172

External Source: VUPEN

Name: ADV-2009-0822

Type: Advisory

Hyperlink:http://www.vupen.com/english/advisories/2009/0822

External Source: SECTRACK

Name: 1022671

Hyperlink:http://www.securitytracker.com/id?1022671

External Source: BID

Name: 34203

Hyperlink:http://www.securityfocus.com/bid/34203

External Source: MILW0RM

Name: 8266

Hyperlink:http://www.milw0rm.com/exploits/8266

External Source: MISC

Name: http://www.informationweek.com/news/hardware/mac/showArticle.jhtml?articleID=216401181

Hyperlink:http://www.informationweek.com/news/hardware/mac/showArticle.jhtml?articleID=216401181

External Source: MISC

Name: http://www.digit-labs.org/files/exploits/xnu-hfs-fcntl-v2.sh

Hyperlink:http://www.digit-labs.org/files/exploits/xnu-hfs-fcntl-v2.sh

External Source: MISC

Name: http://www.digit-labs.org/files/exploits/xnu-hfs-fcntl-v2.c

Hyperlink:http://www.digit-labs.org/files/exploits/xnu-hfs-fcntl-v2.c

External Source: CONFIRM

Name: http://support.apple.com/kb/HT3757

Hyperlink:http://support.apple.com/kb/HT3757

External Source: SECUNIA

Name: 36096

Hyperlink:http://secunia.com/advisories/36096

External Source: SECUNIA

Name: 34424

Hyperlink:http://secunia.com/advisories/34424

External Source: APPLE

Name: APPLE-SA-2009-08-05-1

Hyperlink:http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.html