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TWiki CGI Session File Unspecified Perl Code Execution
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Secunia Advisory:
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SA24091
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Release Date:
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2007-02-09
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Popularity:
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6,829 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: | TWiki
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| CVE reference: | CVE-2007-0669
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Description:
Andrew Moise has reported a vulnerability in TWiki, which can be exploited by malicious, local users to gain escalated privileges.
The vulnerability is caused due to the program loading and executing CGI session files from a temporary directory (by default the world-writable "/tmp"). This can be exploited by creating a specially crafted CGI session file in the directory, which causes it to be loaded and executed as Perl code with the privileges of the web server under unspecified circumstances.
NOTE: It is possible to exploit this by running malicious CGI or PHP scripts on a shared server where another customer runs TWiki.
The vulnerability is reported in 4.x versions prior to 4.1.1 and in TWiki SessionPlugin prior to 2.992.
Solution:
Update to version 4.1.1 or TWiki SessionPlugin 2.992.
Provided and/or discovered by:
Andrew Moise
Original Advisory:
http://twiki.org/cgi-bin/view/Codev/SecurityAlert-CVE-2007-0669
Other References:
US-CERT VU#584436:
http://www.kb.cert.org/vuls/id/584436
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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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