CVE-2009-5031: XSS
First published: Sun Jul 22 2012(Updated: )
ModSecurity before 2.5.11 treats request parameter values containing single quotes as files, which allows remote attackers to bypass filtering rules and perform other attacks such as cross-site scripting (XSS) attacks via a single quote in a request parameter in the Content-Disposition field of a request with a multipart/form-data Content-Type header.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Trustwave ModSecurity | <2.5.11 | |
| openSUSE | =12.3 | |
| openSUSE | =11.4 | |
| openSUSE | =12.2 |
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Reference Links
- http://blog.ivanristic.com/2012/06/modsecurity-and-modsecurity-core-rule-set-multipart-bypasses.html
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00020.html
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00025.html
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00031.html
- http://mod-security.svn.sourceforge.net/viewvc/mod-security/m2/branches/2.6.x/CHANGES
- http://secunia.com/advisories/49576
- http://www.openwall.com/lists/oss-security/2012/06/22/1
- http://www.openwall.com/lists/oss-security/2012/06/22/2
- http://www.securityfocus.com/bid/54156
- http://www.suspekt.org/downloads/POC2009-ShockingNewsInPHPExploitation.pdf
- https://www.modsecurity.org/fisheye/browse/modsecurity/m2/branches/2.5.x/apache2/msc_multipart.c?r2=1419&r1=1366
Frequently Asked Questions
What is the severity of CVE-2009-5031?
CVE-2009-5031 has a moderate severity rating due to its potential to allow bypassing of security filters and executing attacks.
How do I fix CVE-2009-5031?
To fix CVE-2009-5031, upgrade ModSecurity to version 2.5.11 or later immediately.
What are the risks associated with CVE-2009-5031?
The risks associated with CVE-2009-5031 include exposure to cross-site scripting (XSS) attacks and other security rule bypasses.
Which systems are affected by CVE-2009-5031?
CVE-2009-5031 affects versions of ModSecurity prior to 2.5.11 and specifically impacts openSUSE 11.4, 12.2, and 12.3.
Can I still use ModSecurity if I have CVE-2009-5031?
Using ModSecurity with CVE-2009-5031 is not recommended, and it is crucial to update to a secure version to maintain protection.
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