Vulnerability Assessment & Network Security Forums

If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.

Home >> Browse Vulnerability Assessment Database >> Windows >> VeriSign ConfigChk ActiveX Control Buffer Overflow Vulnerability

Vulnerability Assessment Details

VeriSign ConfigChk ActiveX Control Buffer Overflow Vulnerability

Vulnerability Assessment Summary
Checks version of ConfigChk ActiveX control

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote Windows host has an ActiveX control that is affected by a
buffer overflow vulnerability.

Description :

The ConfigChk ActiveX control, included with a VeriSign's PKI product
on the remote host and marked as safe for scripting, is reportedly
affected by a buffer overflow vulnerability involving its
'VerCompare()' method.

If a possible hacker can trick a user on the affected host into visiting a
specially-crafted web page, he may be able to leverage this issue to
execute arbitrary code on the host subject to the user's rights.

See also :

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=479
http://archives.neohapsis.com/archives/fulldisclosure/2007-02/0520.html
http://www.kb.cert.org/vuls/id/308087
http://www.verisign.com/support/advisories/page_040740.html

Solution :

Apply the vendor patch and verify that the file version of the
associated 'VSCnfChk.dll' is 2.0.0.3 or later.

Network Security Threat Level:

High / CVSS Base Score : 8.0
(AV:R/AC:H/Au:NR/C:C/I:C/A:C/B:N)

Networks Security ID: 22671

Vulnerability Assessment Copyright: This script is Copyright (C) 2007 Tenable Network Security

Cables, Connectors