Vulnerability Note VU#367424
Apple Mac OS X fails to properly handle corrupted DMG image structures
OverviewApple Mac OS X fails to properly handle corrupted DMG image structures. The complete impact of this vulnerability is unclear, but may include execution of arbitrary code or denial of service.
I. DescriptionA vulnerability in the way Mac OS X com.apple.AppleDiskImageController handles malformed DMG files could lead to a memory corruption.
We are aware of publicly available proof-of-concept code that demonstrates this vulnerability.
II. ImpactThe complete impact of this vulnerability is unclear, but may include execution of arbitrary code or denial of service.
III. SolutionUpgrade
Apple has issued an upgrade to address this issue. See Apple Security Update 2007-003 for more details.
Disable Open “safe” files after downloading option
For instructions on how to disable the Open “safe” files after downloading option in Safari, please refer to the Safari section of the Securing Your Web Browser document.
Do not access DMG files from untrusted sources
Do not download DMG files from unknown or untrusted sources. Do not open unfamiliar or unexpected links, particularly those delivered in email messages. Please see Cyber Security Tip ST04-014.
Systems Affected
References
http://www.us-cert.gov/reading_room/securing_browser/#sgeneral
http://projects.info-pull.com/mokb/MOKB-20-11-2006.html
http://secunia.com/advisories/23012/
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6061
http://docs.info.apple.com/article.html?artnum=305214
http://secunia.com/advisories/24479/
http://securitytracker.com/alerts/2007/Mar/1017751.html
http://www.securityfocus.com/bid/21201
Credit
This issue was reported in Month of Kernel Bugs MOKB-20-11-2006 by LMH.
This document was written by Chris Taschner.
Other Information
| Date Public | 11/20/2006 |
| Date First Published | 11/22/2006 11:01:01 AM |
| Date Last Updated | 03/20/2007 |
| CERT Advisory | |
| CVE-ID(s) | CVE-2006-6061 |
| NVD-ID(s) | CVE-2006-6061 |
| US-CERT Technical Alerts | |
| Metric | 15.99 |
| Document Revision | 32 |
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