full-disclosure - [SECURITY] CVE-2011-1183 Apache Tomcat security constraint bypass

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Date: Wed, 06 Apr 2011 18:28:28 +0100
From: Mark Thomas <markt@...che.org>
To: Tomcat Users List <users@...cat.apache.org>
Cc: Tomcat Developers List <dev@...cat.apache.org>,
	full-disclosure@...ts.grok.org.uk,
	Tomcat Announce List <announce@...cat.apache.org>,
	bugtraq@...urityfocus.com, announce@...che.org
Subject: [SECURITY] CVE-2011-1183 Apache Tomcat security
	constraint bypass

CVE-2011-1183 Apache Tomcat security constraint bypass

Severity: Important

Vendor: The Apache Software Foundation

Versions Affected:
- Tomcat 7.0.11
- Earlier versions are not affected

Description:
A regression in the fix for CVE-2011-1088 meant that security
constraints were ignored when no login configuration was present in the
web.xml and the web application was marked as meta-data complete.

Mitigation:
Users of affected versions should apply one of the following mitigations:
- Upgrade to a Tomcat 7.0.12 or later
- Ensure a login configuration is defined in web.xml

Credit:
This issue was identified by the Apache Tomcat security team.

References:
http://tomcat.apache.org/security.html
http://tomcat.apache.org/security-7.html

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