CVE-2012-4528
First published: Fri Dec 28 2012(Updated: )
The mod_security2 module before 2.7.0 for the Apache HTTP Server allows remote attackers to bypass rules, and deliver arbitrary POST data to a PHP application, via a multipart request in which an invalid part precedes the crafted data.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Trustwave ModSecurity | <2.7.0 | |
| openSUSE | =11.4 | |
| openSUSE | =12.2 | |
| openSUSE | =12.3 | |
| Fedoraproject Fedora | =18 |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093011.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/2.7.x/CHANGES
- http://mod-security.svn.sourceforge.net/viewvc/mod-security/m2/trunk/apache2/msc_multipart.c?sortby=date&r1=2081&r2=2080&pathrev=2081
- http://mod-security.svn.sourceforge.net/viewvc/mod-security?view=revision&sortby=date&revision=2081
- http://seclists.org/fulldisclosure/2012/Oct/113
- http://www.openwall.com/lists/oss-security/2012/10/18/14
- https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20121017-0_mod_security_ruleset_bypass.txt
Frequently Asked Questions
What is the severity of CVE-2012-4528?
CVE-2012-4528 has a moderate severity rating as it can allow remote attacks that bypass security rules.
How do I fix CVE-2012-4528?
You can mitigate CVE-2012-4528 by upgrading the mod_security2 module to version 2.7.0 or later.
What systems are affected by CVE-2012-4528?
CVE-2012-4528 affects versions of the mod_security2 module before 2.7.0 on various distributions including openSUSE and Fedora.
Can CVE-2012-4528 lead to data exposure?
Yes, CVE-2012-4528 can lead to unauthorized delivery of arbitrary POST data, potentially exposing sensitive information.
Is CVE-2012-4528 being actively exploited?
While there have been reports of the vulnerability, active exploitation is not widely documented.
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