[SECURITY] CVE-2009-0783 Apache Tomcat Information disclosure
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CVE-2009-0783: Apache Tomcat information disclosure vulnerability
Severity: low
Vendor:
The Apache Software Foundation
Versions Affected:
Tomcat 6.0.0 to 6.0.18
Tomcat 5.5.0 to 5.5.27
Tomcat 4.1.0 to 4.1.39
The unsupported Tomcat 3.x, 4.0.x and 5.0.x versions may be also affected.
Description:
Bugs https://issues.apache.org/bugzilla/show_bug.cgi?id=29936 and
https://issues.apache.org/bugzilla/show_bug.cgi?id=45933 allowed a web
application to replace the XML parser used by Tomcat to process web.xml,
context.xml and tld files. If a web application is the first web
application loaded, these bugs allow that web application to potentially
view and/or alter the web.xml, context.xml and tld files of other web
applications deployed on the Tomcat instance.
Mitigation:
6.0.x users should do one of the following:
- upgrade to 6.0.20
- apply these patches
- http://svn.apache.org/viewvc?rev=739522&view=rev
- http://svn.apache.org/viewvc?rev=652592&view=rev
5.5.x users should do one of the following:
- upgrade to 5.5.28 when released
- apply these patches
- http://svn.apache.org/viewvc?rev=781542&view=rev
- http://svn.apache.org/viewvc?rev=681156&view=rev
4.1.x users should do one of the following:
- upgrade to 4.1.40 when released
- apply this patch http://svn.apache.org/viewvc?rev=781708&view=rev
Example:
See https://issues.apache.org/bugzilla/show_bug.cgi?id=29936#c12 for an
example web application that can be used to replace the XML parser used
by Tomcat.
Credit:
The security implications of these bugs was discovered and reported to
the Apache Software Foundation by Philippe Prados.
References:
http://tomcat.apache.org/security.html
http://tomcat.apache.org/security-6.html
http://tomcat.apache.org/security-5.html
http://tomcat.apache.org/security-4.html
The Apache Tomcat Security Team
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