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RARLabs UnRAR Password Prompt Buffer Overflow Vulnerability
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Secunia Advisory:
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SA24077
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Release Date:
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2007-02-08
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Last Update:
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2007-02-09
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Popularity:
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12,270 views
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Critical:
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Moderately critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Workaround
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| Software: | RAR 3.x
WinRAR 3.x
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| CVE reference: | CVE-2007-0855
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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.
Changelog:
2007-02-09: Added CVE reference.
Original Advisory:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=472
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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