Apple Mac OS X Finder DMG Volume Memory Corruption Vulnerability

BID:21980

Info

Apple Mac OS X Finder DMG Volume Memory Corruption Vulnerability

Bugtraq ID: 21980
Class: Boundary Condition Error
CVE: CVE-2007-0197
Remote: Yes
Local: No
Published: Jan 09 2007 12:00AM
Updated: Feb 20 2007 08:26PM
Credit: LMH <[email protected]> is credited with the discovery of this vulnerability.
Vulnerable: Apple Mac OS X Server 10.4.8
Apple Mac OS X 10.4.8
Not Vulnerable:

Discussion

Apple Mac OS X Finder DMG Volume Memory Corruption Vulnerability

Apple Mac OS X Finder is prone to a memory-corruption vulnerability. This issue occurs when the application fails to handle overly long DMG volume names.

Due to the nature of this issue, an attacker may be able to execute arbitrary machine code in the context of the affected application, but this has not been confirmed. Failed exploit attempts result in memory corruption and a crash of the application, denying service to legitimate users.

Finder 10.4.6 on Mac OS X 10.4.8 X86 is vulnerable to this issue; other versions may also be affected.

Exploit / POC

Apple Mac OS X Finder DMG Volume Memory Corruption Vulnerability

The following proof-of-concept DMG image demonstrates this issue.

The proof-of-concept code can be used to create a malicious DMG image with a random 255-byte payload that will trigger the condition.

Solution / Fix

Apple Mac OS X Finder DMG Volume Memory Corruption Vulnerability

Solution:
The vendor has released fixes to address this issue. Please see the references for more information.


Apple Mac OS X Server 10.4.8

Apple Mac OS X 10.4.8

References

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