Signature Detail

HTTP: Microsoft Works 7 WkImgSrv ActiveX Exploit

This signature detects attempts to exploit a known vulnerability in Microsoft Works 7. An attacker can create a Web site containing Web pages with dangerous ActiveX calls, which if accessed by a victim, allows the attacker to gain control of the victim's client browser.

Extended Description

Microsoft Works 7 'WkImgSrv.dll' ActiveX control is prone to a remote code-execution vulnerability because it fails to sufficiently verify user-supplied input. An attacker can exploit this issue to run arbitrary attacker-supplied code in the context of the currently logged-in user. Failed exploits attempts will trigger denial-of-service conditions. This issue affects Microsoft Works 7 'WkImgSrv.dll' ActiveX control 7.03.0616; other versions may also be vulnerable. NOTE: This ActiveX control is not marked 'safe for scripting' and would therefore prompt the victim before executing the script. Typically, we would not classify this issue as a security vulnerability. However, given the nature of the issue and the existence of exploit code in the wild, this BID will not be retired so that a record of the issue can be maintained.

Affected Products

• Microsoft WkImgSrv.dll 7.03.0616

References

• BugTraq: 28820
• CVE: CVE-2008-1898