IBM AIX 'MALLOCDEBUG' File Overwrite Vulnerability

BID:35034

Info

IBM AIX 'MALLOCDEBUG' File Overwrite Vulnerability

Bugtraq ID: 35034
Class: Race Condition Error
CVE: CVE-2009-1786
Remote: No
Local: Yes
Published: May 19 2009 12:00AM
Updated: Apr 13 2015 09:10PM
Credit: Reported by the vendor.
Vulnerable: IBM AIX 6.1
IBM AIX 5.3
Not Vulnerable:

Discussion

IBM AIX 'MALLOCDEBUG' File Overwrite Vulnerability

IBM AIX is prone to a race condition in the MALLOCDEBUG component.

An attacker with local access can exploit this issue to overwrite arbitrary files and execute arbitrary code with superuser privileges.

Exploit / POC

IBM AIX 'MALLOCDEBUG' File Overwrite Vulnerability

An attacker uses readily available commands to launch attacks.

The following exploit is available:

Solution / Fix

IBM AIX 'MALLOCDEBUG' File Overwrite Vulnerability

Solution:
The vendor has released an update. Please see the references for details.

References

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