Bug: Apache Tomcat 7.0.11 security constraint bypass ( Ascii Version )

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Apache Tomcat 7.0.11 security constraint bypass

Published
Credit
Risk
2011.04.12
Apache
Medium
CWE
CVE
Local
Remote
NVD-CWE-DesignError
CVE-2011-1183
No
Yes

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
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

See this note in TXT Version

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Ascii Version