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[security-alerts] FW: [SA28117] ClamAV "cli_scanpe()" MEW Handling Integer Overflow



>
> TITLE:
> ClamAV "cli_scanpe()" MEW Handling Integer Overflow
>
> SECUNIA ADVISORY ID:
> SA28117
>
> VERIFY ADVISORY:
> http://secunia.com/advisories/28117/
>
> CRITICAL:
> Highly critical
>
> IMPACT:
> DoS, System access
>
> WHERE:
> From remote
>
> SOFTWARE:
> Clam AntiVirus (clamav) 0.x
> http://secunia.com/product/2538/
>
> DESCRIPTION:
> A vulnerability has been reported in ClamAV, which can be exploited
> by malicious people to cause a DoS (Denial of Service) or compromise
> a vulnerable system.
>
> The vulnerability is caused due to an integer overflow error within
> the "cli_scanpe()" function when handling MEW packed executables.
> This can be exploited to cause a heap-based buffer overflow via
> specially crafted "ssize" and "dsize" values.
>
> Successful exploitation allows execution of arbitrary code.
>
> The vulnerability is reported in versions prior to 0.92.
>
> SOLUTION:
> Update to version 0.92.
>
> PROVIDED AND/OR DISCOVERED BY:
> Discovered by an anonymous researcher and reported via iDefense Labs.
>
> ORIGINAL ADVISORY:
> ClamAV:
> http://sourceforge.net/project/shownotes.php?release_id=562254
> &group_id=86638
>
> iDefense:
> http://labs.idefense.com/intelligence/vulnerabilities/display.
> php?id=634
>



 




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