WinPcap NPF.SYS BIOCGSTATS Parameters Local Privilege Escalation Vulnerability

BID:24829

Info

WinPcap NPF.SYS BIOCGSTATS Parameters Local Privilege Escalation Vulnerability

Bugtraq ID: 24829
Class: Design Error
CVE: CVE-2007-3681
Remote: No
Local: Yes
Published: Jul 09 2007 12:00AM
Updated: Nov 01 2007 09:56PM
Credit: Mario Ballano is credited with the discovery of this vulnerability.
Vulnerable: WinPcap WinPcap 4.0
WinPcap WinPcap 3.1
Not Vulnerable: WinPcap WinPcap 4.0.1

Discussion

WinPcap NPF.SYS BIOCGSTATS Parameters Local Privilege Escalation Vulnerability

WinPcap is prone to a local privilege-escalation vulnerability.

An attacker can exploit this issue to execute arbitrary code with kernel-level privileges. Successfully exploiting this issue will result in the complete compromise of affected computers.

WinPcap 4.0 is vulnerable to this issue.

Exploit / POC

WinPcap NPF.SYS BIOCGSTATS Parameters Local Privilege Escalation Vulnerability

UPDATE: 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.

Exploit code is available to members of the Immunity Partner's program from the following location:

https://www.immunityinc.com/downloads/immpartners/winpcap.tgz

The following proof-of-concept example is available:

Solution / Fix

WinPcap NPF.SYS BIOCGSTATS Parameters Local Privilege Escalation Vulnerability

Solution:
The vendor has released WinPcap 4.0.1 to address this issue; please see the references for details.


WinPcap WinPcap 4.0

References

WinPcap NPF.SYS BIOCGSTATS Parameters Local Privilege Escalation Vulnerability

References:

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