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[ GLSA 200705-04 ] Apache mod_perl: Denial of Service
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GLSA
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Joined: 12 May 2004
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PostPosted: Wed May 02, 2007 11:26 am    Post subject: [ GLSA 200705-04 ] Apache mod_perl: Denial of Service Reply with quote

Gentoo Linux Security Advisory

Title: Apache mod_perl: Denial of Service (GLSA 200705-04)
Severity: normal
Exploitable: remote
Date: May 02, 2007
Bug(s): #172676
ID: 200705-04

Synopsis

The mod_perl Apache module is vulnerable to a Denial of Service when processing regular expressions.

Background

Mod_perl is an Apache module that embeds the Perl interpreter within the server, allowing Perl-based web-applications to be created.

Affected Packages

Package: www-apache/mod_perl
Vulnerable: < 2.0.3-r1
Unaffected: >= 2.0.3-r1
Unaffected: >= 1.30 < 1.31
Architectures: All supported architectures


Description

Alex Solvey discovered that the "path_info" variable used in file RegistryCooker.pm (mod_perl 2.x) or file PerlRun.pm (mod_perl 1.x), is not properly escaped before being processed.

Impact

A remote attacker could send a specially crafted URL to the vulnerable server, possibly resulting in a massive resource consumption.

Workaround

There is no known workaround at this time.

Resolution

All mod_perl 1.x users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-apache/mod_perl-1.30"
All mod_perl 2.x users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-apache/mod_perl-2.0.3-r1"


References

CVE-2007-1349


Last edited by GLSA on Thu May 03, 2007 4:18 am; edited 1 time in total
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