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FFTW fftw-wisdom-to-conf.in Insecure Temporary File Creation
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Secunia Advisory:
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SA16359
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Release Date:
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2005-08-08
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Last Update:
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2006-09-08
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Popularity:
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4,059 views
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Critical:
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Less critical
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Impact:
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Privilege escalation
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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: | FFTW 3.x
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Description:
Javier Fernandez-Sanguino Pena has reported a vulnerability in FFTW, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.
The vulnerability is caused due to the temporary file "/tmp/fftw-wisdom-to-conf$$" being created insecurely by "/tools/fftw-wisdom-to-conf.in". This can be exploited via symlink attacks to create or overwrite arbitrary files with the privileges of the user running the affected application.
The vulnerability has been reported in version 3.0.1. Other versions may also be affected.
Solution:
Update to version 3.1 or later.
Provided and/or discovered by:
Javier Fernandez-Sanguino Pena
Changelog:
2006-09-08: Updated "Solution" section.
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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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