CVE-2012-3546

Description

org/apache/catalina/realm/RealmBase.java in Apache Tomcat 6.x before 6.0.36 and 7.x before 7.0.30, when FORM authentication is used, allows remote attackers to bypass security-constraint checks by leveraging a previous setUserPrincipal call and then placing /j_security_check at the end of a URI.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 3.40% Top 15%
Vendor Advisory marc.info Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory hp.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory marc.info Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory apache.org Vendor Advisory apache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://marc.info/?l=bugtraq&m=136612293908376&w=2 vendor advisory
http://www.securitytracker.com/id?1027833 vdb entry
http://www.ubuntu.com/usn/USN-1685-1 vendor advisory
http://www.securityfocus.com/bid/56812 vdb entry
http://lists.opensuse.org/opensuse-updates/2012-12/msg00089.html vendor advisory
http://svn.apache.org/viewvc?view=revision&revision=1377892
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/realm/RealmBase.java?r1=1377892&r2=1377891&pathrev=1377892 patch
http://rhn.redhat.com/errata/RHSA-2013-0640.html vendor advisory
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml?r1=1377892&r2=1377891&pathrev=1377892 patch
http://rhn.redhat.com/errata/RHSA-2013-0163.html vendor advisory
https://h20566.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03748878 vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0164.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0192.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0198.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0641.html vendor advisory
http://archives.neohapsis.com/archives/bugtraq/2012-12/0044.html mailing list
http://tomcat.apache.org/security-7.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0004.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0195.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0221.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0196.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0147.html vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19305 vdb entry signature
http://rhn.redhat.com/errata/RHSA-2013-0158.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0193.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0157.html vendor advisory
http://secunia.com/advisories/51984 third party advisory
http://tomcat.apache.org/security-6.html vendor advisory
http://secunia.com/advisories/52054 third party advisory
http://secunia.com/advisories/57126 third party advisory
http://rhn.redhat.com/errata/RHSA-2013-0146.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-01/msg00037.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0191.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0623.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0197.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0235.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0642.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0194.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0005.html vendor advisory
http://marc.info/?l=bugtraq&m=139344343412337&w=2 vendor advisory
http://lists.opensuse.org/opensuse-updates/2012-12/msg00090.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0162.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0151.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-3546?
CVE-2012-3546 has been scored as a medium severity vulnerability.
How to fix CVE-2012-3546?
To fix CVE-2012-3546, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-3546 being actively exploited in the wild?
It is possible that CVE-2012-3546 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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