medium
4.3
CWE
264
Advisory Published
Updated

CVE-2012-3546

First published: Wed Dec 19 2012(Updated: )

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.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Tomcat=6.0
Tomcat=6.0.0
Tomcat=6.0.0-alpha
Tomcat=6.0.1
Tomcat=6.0.1-alpha
Tomcat=6.0.2
Tomcat=6.0.2-alpha
Tomcat=6.0.2-beta
Tomcat=6.0.3
Tomcat=6.0.4
Tomcat=6.0.5
Tomcat=6.0.6
Tomcat=6.0.7
Tomcat=6.0.8
Tomcat=6.0.9
Tomcat=6.0.9-beta
Tomcat=6.0.10
Tomcat=6.0.11
Tomcat=6.0.12
Tomcat=6.0.13
Tomcat=6.0.14
Tomcat=6.0.15
Tomcat=6.0.16
Tomcat=6.0.17
Tomcat=6.0.18
Tomcat=6.0.19
Tomcat=6.0.20
Tomcat=6.0.24
Tomcat=6.0.26
Tomcat=6.0.27
Tomcat=6.0.28
Tomcat=6.0.29
Tomcat=6.0.30
Tomcat=6.0.31
Tomcat=6.0.32
Tomcat=6.0.33
Tomcat=6.0.35
Tomcat=7.0.0
Tomcat=7.0.0-beta
Tomcat=7.0.1
Tomcat=7.0.2
Tomcat=7.0.2-beta
Tomcat=7.0.3
Tomcat=7.0.4
Tomcat=7.0.4-beta
Tomcat=7.0.5
Tomcat=7.0.6
Tomcat=7.0.7
Tomcat=7.0.8
Tomcat=7.0.9
Tomcat=7.0.10
Tomcat=7.0.11
Tomcat=7.0.12
Tomcat=7.0.13
Tomcat=7.0.14
Tomcat=7.0.15
Tomcat=7.0.16
Tomcat=7.0.17
Tomcat=7.0.18
Tomcat=7.0.19
Tomcat=7.0.20
Tomcat=7.0.21
Tomcat=7.0.22
Tomcat=7.0.23
Tomcat=7.0.25
Tomcat=7.0.28

Remedy

http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/realm/RealmBase.java?r1=1377892&r2=1377891&pathrev=1377892

Remedy

http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml?r1=1377892&r2=1377891&pathrev=1377892

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-3546?

    CVE-2012-3546 has been classified as a medium severity vulnerability that allows attackers to bypass security constraints.

  • How do I fix CVE-2012-3546?

    To mitigate CVE-2012-3546, upgrade to Apache Tomcat versions 6.0.36 or 7.0.30 or later.

  • What versions of Apache Tomcat are affected by CVE-2012-3546?

    CVE-2012-3546 affects Apache Tomcat versions 6.x before 6.0.36 and 7.x before 7.0.30.

  • What type of vulnerability is CVE-2012-3546?

    CVE-2012-3546 is a security vulnerability that can allow unauthorized access through FORM authentication.

  • Can CVE-2012-3546 affect web applications?

    Yes, CVE-2012-3546 can impact web applications that rely on Apache Tomcat for handling FORM authentication.

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