98420 : Big Ant Messenger AntCore.dll ActiveX RegisterCom() Function Stack Overflow
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Views This Week Views All Time Added to OSVDB Last Modified Modified (since 2008) Percent Complete
4 141 7 months ago 6 months ago 0 times 100%


Disclosure Date
Time to Patch Time to Vendor Response
18 days 11 days


Big Ant Messenger contains an overflow condition in the RegisterCom() function in the AntCore.dll ActiveX control. The issue is triggered as user-supplied input is not properly validated, which may allow a context-dependent attacker to cause a stack-based buffer overflow, resulting in a denial of service or potentially allowing the execution of arbitrary code.


Location: Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Patch / RCS
Exploit: PoC Public
Disclosure: Vendor Verified, Coordinated Disclosure
OSVDB: Web Related


It has been reported that this issue has been fixed. Upgrade to version 2.5.5, or higher, to address this vulnerability.


Big Ant Studios
Big Ant Messenger



CVSSv2 Score

NVD does not currently have a CVSSv2 score assigned.


No Comments.

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