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mod_perl "path_info" Denial of Service Vulnerability
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Secunia Advisory:
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SA24678
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Release Date:
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2007-03-29
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Last Update:
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2007-07-18
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Popularity:
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9,768 views
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Critical:
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Moderately critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Partial Fix
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| Software: | mod_perl 1.x
mod_perl 2.x
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| CVE reference: | CVE-2007-1349
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Description:
A vulnerability has been reported in mod_perl, which potentially can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to a regular expression in "RegistryCooker.pm" (mod_perl 2.x) or "PerlRun.pm" (mod_perl 1.x) that uses the "path_info" variable without properly escaping it. This can be exploited to cause a DoS by sending requests with specially crafted URLs to a vulnerable server.
Solution:
Fixed in the SVN repository and in version 1.30 of the mod_perl 1.x branch.
Provided and/or discovered by:
Alex Solovey
Changelog:
2007-07-18: Updated "Solution" section.
Original Advisory:
http://www.gossamer-threads.com/lists/modperl/modperl/92739
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