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TITLE:
RARLabs UnRAR Password Prompt Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA24077

VERIFY ADVISORY:
http://secunia.com/advisories/24077/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
WinRAR 3.x
http://secunia.com/product/890/
RAR 3.x
http://secunia.com/product/13444/

DESCRIPTION:
A vulnerability has been reported in RARLabs UnRAR, which can be
exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error when processing
password-protected archives using the UnRAR command line utility.
This can be exploited to cause a stack-based buffer overflow via a
specially crafted password-protected archive.

Successful exploitation requires that the user is e.g. tricked into
opening a password-protected archive and respond to the password
prompt.

The vulnerability is reported in version 3.60 for Linux and 3.61 for
Windows. Other versions may also be affected.

SOLUTION:
The vendor has issued version 3.70 beta release.

PROVIDED AND/OR DISCOVERED BY:
Discovered by an anonymous person and reported via iDefense Labs.

ORIGINAL ADVISORY:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=472

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About:
This Advisory was delivered by Secunia as a free service to help
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