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     áòèé÷ :: Security-alerts
Security-Alerts mailing list archive (security-alerts@yandex-team.ru)

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[security-alerts] FW: [SA21080] WinRAR LHA Archive Processing Buffer Overflow



> 
> TITLE:
> WinRAR LHA Archive Processing Buffer Overflow
> 
> SECUNIA ADVISORY ID:
> SA21080
> 
> VERIFY ADVISORY:
> http://secunia.com/advisories/21080/
> 
> CRITICAL:
> Moderately critical
> 
> IMPACT:
> System access
> 
> WHERE:
> From remote
> 
> SOFTWARE:
> WinRAR 3.x
> http://secunia.com/product/890/
> 
> DESCRIPTION:
> Ryan Smith has reported a vulnerability in WinRAR, which can be
> exploited by malicious people to compromise a user's system.
> 
> The vulnerability is caused due to boundary errors in lzh.fmt within
> the processing of LHA archives. This can be exploited to cause a
> stack-based buffer overflow when a specially crafted file with an
> overly long filename is opened.
> 
> Successful exploitation allows execution of arbitrary code with the
> user's privileges.
> 
> The vulnerability has been reported in versions 3.00 through 3.60
> beta 6.
> 
> SOLUTION:
> The vulnerability has been fixed in version 3.60 beta 7.
> 
> PROVIDED AND/OR DISCOVERED BY:
> Ryan Smith
> 
> ORIGINAL ADVISORY:
> http://hustlelabs.com/advisories/04072006_rarlabs.pdf




 




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