Office Web Components is prone to an overflow condition. The ActiveX control fails to properly sanitize user-supplied input via the HTMLURL parameter resulting in a buffer overflow. With a specially crafted website, a context-dependent attacker can potentially cause arbitrary code execution.
Classification
Location:
Remote / Network Access,
Local / Remote,
Context Dependent
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Solution:
Patch / RCS
Exploit:
Exploit Public,
Exploit Private,
Exploit Commercial
Disclosure:
Vendor Verified,
Coordinated Disclosure
OSVDB:
Web Related
Solution
Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.
