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LSH lshd Seed-file File Descriptor Leak Vulnerability
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Secunia Advisory:
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SA18564
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Release Date:
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2006-01-23
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Popularity:
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5,279 views
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Critical:
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Less critical
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Impact:
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Exposure of sensitive information
DoS
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| Software: | LSH 2.x
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| CVE reference: | CVE-2006-0353
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Description:
A vulnerability has been reported in LSH, which can be exploited by malicious, local users to gain knowledge of potentially sensitive information or to cause a DoS (Denial of Service).
The vulnerability is caused due to lshd leaking the file descriptors of the random generator's seed file to user shells started by lshd. This can be exploited by to cause DoS by truncating the seed file or to gain information of the seed value.
The vulnerability has been reported in version 2.0.1. Prior versions may also be affected.
Solution:
The vendor has provided a source code patch.
http://lists.lysator.liu.se/pipermail/lsh-bugs/2006q1/000467.html
Provided and/or discovered by:
The vendor credits Stefan Pfetzing.
Original Advisory:
http://lists.lysator.liu.se/pipermail/lsh-bugs/2006q1/000467.html
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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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