----------------------------------------------------------------------


Proof-of-Concept (PoC) and Extended Analysis available for customers.

Get a free trial, contact sales@secunia.com


----------------------------------------------------------------------

TITLE:
CommView cv2k1.sys Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA39569

VERIFY ADVISORY:
http://secunia.com/advisories/39569/

DESCRIPTION:
p4r4noid has reported a vulnerability in CommView, which can be
exploited by malicious, local users to cause a DoS (Denial of
Service).

The vulnerability is caused due to an error in the cv2k1.sys kernel
driver when processing IOCTLs. This can be exploited to cause a
system crash via a specially crafted 2578h IOCTL.

The vulnerability is reported in version 6.1 Build 642 and prior.

SOLUTION:
Update to version 6.1 Build 644.

PROVIDED AND/OR DISCOVERED BY:
p4r4noid, Corelan

ORIGINAL ADVISORY:
http://www.corelan.be:8800/advisories.php?id=CORELAN-10-030

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

Unsubscribe: Secunia Security Advisories
http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org

----------------------------------------------------------------------