Description
A certain ActiveX control in WkImgSrv.dll 7.03.0616.0, as distributed in Microsoft Works 7 and Microsoft Office 2003 and 2007, allows remote attackers to execute arbitrary code or cause a denial of service (browser crash) via an invalid WksPictureInterface property value, which triggers an improper function call.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Metasploit 1 module
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Microsoft Works 7 WkImgSrv.dll WKsPictureInterface() ActiveX Code Execution
exploit/windows/fileformat/msworks_wkspictureinterface
Exploit-DB 3
- Microsoft Works 7 - 'WkImgSrv.dll' WKsPictureInterface() ActiveX (Metasploit) EDB-16649 · remote · Sep 25, 2010 · verified
- Microsoft Works 7 - 'WkImgSrv.dll' ActiveX Remote Buffer Overflow EDB-5530 · remote · May 2, 2008 · verified
- Microsoft Works 7 - 'WkImgSrv.dll' ActiveX Denial of Service (PoC) EDB-5460 · dos · Apr 17, 2008 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- http://blogs.technet.com/swi/archive/2008/06/05/why-there-wont-be-a-security-update-for-wkimgsrv-dll.aspx
- 5530 exploit
- 28820 vdb-entry
- 20080502 Microsoft Work ActiveX Insecure Method Exploit mailing-list
- 20080417 Microsoft Works 7 WkImgSrv.dll crash POC mailing-list
- 5460 exploit
- microsoft-works-wkimgsrv-dos(41876) vdb-entry