FreeBSD 'ktimer' Local Privilege Escalation Vulnerability

BID:34196

Info

FreeBSD 'ktimer' Local Privilege Escalation Vulnerability

Bugtraq ID: 34196
Class: Boundary Condition Error
CVE: CVE-2009-1041
Remote: No
Local: Yes
Published: Mar 23 2009 12:00AM
Updated: Jun 08 2009 07:59PM
Credit: This issue was disclosed by the vendor.
Vulnerable: FreeBSD FreeBSD 7.1-STABLE
FreeBSD FreeBSD 7.1 -RELEASE-p2
FreeBSD FreeBSD 7.1 -RELEASE-p1
FreeBSD FreeBSD 7.1 -PRE-RELEASE
FreeBSD FreeBSD 7.0-STABLE
FreeBSD FreeBSD 7.0-RELEASE-p8
FreeBSD FreeBSD 7.0-RELEASE
FreeBSD FreeBSD 7.0 -RELENG
FreeBSD FreeBSD 7.0 -RELEASE-p9
FreeBSD FreeBSD 7.0 -PRERELEASE
FreeBSD FreeBSD 7.0
Not Vulnerable: FreeBSD FreeBSD 7.2-PRERELEASE
FreeBSD FreeBSD 7.1-RELEASE-p4
FreeBSD FreeBSD 7.0-RELEASE-p11

Discussion

FreeBSD 'ktimer' Local Privilege Escalation Vulnerability

FreeBSD is prone to a local privilege-escalation vulnerability because it fails to adequately bounds-check user-supplied data.

An attacker can exploit this vulnerability to run arbitrary code with elevated privileges.

Exploit / POC

FreeBSD 'ktimer' Local Privilege Escalation Vulnerability

Core Security Technologies has developed a working commercial exploit for its CORE IMPACT product. This exploit is not otherwise publicly available or known to be circulating in the wild.

Solution / Fix

FreeBSD 'ktimer' Local Privilege Escalation Vulnerability

Solution:
The vendor has released an advisory and fixes. Please see the references for more information.

References

FreeBSD 'ktimer' Local Privilege Escalation Vulnerability

References:

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