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TWiki "%INCLUDE" Shell Command Injection Vulnerability
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Secunia Advisory:
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SA16980
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Release Date:
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2005-09-28
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Popularity:
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8,598 views
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Critical:
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Highly 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 Patch
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| Software: | TWiki
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2005-3056
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Description:
A vulnerability has been reported in TWiki, which can be exploited by malicious people to compromise a vulnerable system.
Input passed to the "rev" attribute in the "%INCLUDE" variable isn't properly sanitised before being used in a shell expression. This can be exploited to inject arbitrary shell commands via e.g. the "|" pipe character.
Example:
%INCLUDE{ "Main.TWikiUsers" rev="2|[code]" }%
This is related to:
SA16820
The vulnerability has been reported in versions TWikiRelease03Sep2004, TWikiRelease02Sep2004, TWikiRelease01Sep2004, and TWikiRelease01Feb2003.
Solution:
Apply patches.
http://twiki.org/cgi-bin/view/Codev/SecurityAlertExecuteCommandsWithInclude
Provided and/or discovered by:
The vendor credits JChristophFuchs and JoseLuna.
Original Advisory:
http://twiki.org/cgi-bin/view/Codev/SecurityAlertExecuteCommandsWithInclude
Other References:
SA16820:
http://secunia.com/advisories/16820/
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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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