Apache Tomcat 7.0.11 security constraint bypass

2011-04-11 / 2011-04-12
Credit: Apache
Risk: Medium
Local: No
Remote: Yes


CVSS Base Score: 5.8/10
Impact Subscore: 4.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: None

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

References:

http://svn.apache.org/viewvc?view=revision&revision=1087643
http://www.securityfocus.com/bid/47196
http://tomcat.apache.org/security-7.html
http://seclists.org/fulldisclosure/2011/Apr/96


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