Secunia Security Advisory - Some vulnerabilities have been reported in Apache Tomcat, which can be exploited by malicious people to bypass certain security restrictions and cause a DoS (Denial of Service).
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TITLE:
Apache Tomcat Multiple Vulnerabilities
SECUNIA ADVISORY ID:
SA51425
VERIFY ADVISORY:
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http://secunia.com/advisories/51425/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=51425
RELEASE DATE:
2012-12-05
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http://secunia.com/advisories/51425/#comments
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http://secunia.com/advisories/51425/
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DESCRIPTION:
Some vulnerabilities have been reported in Apache Tomcat, which can
be exploited by malicious people to bypass certain security
restrictions and cause a DoS (Denial of Service).
1) An error within the NIO connector when transferring files using
sendfile over HTTPS can be exploited to trigger an infinite loop and
cause excessive consumption of CPU resources.
This vulnerability is reported in versions prior to 7.0.27 and
6.0.35.
2) An error within the FormAuthenticator component when handling
authentication requests can be exploited to bypass the authentication
mechanism via a specially crafted request.
This vulnerability is reported in versions prior to 7.0.29 and
6.0.35.
3) An error within the "doFilter()" method when accessing protected
resources can be exploited to bypass the CSRF prevention filter and
access the resource without a session identifier.
This vulnerability is reported in versions prior to 7.0.31 and
6.0.35.
SOLUTION:
Update to a fixed version.
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
PROVIDED AND/OR DISCOVERED BY:
1) The vendor credits Arun Neelicattu, Red Hat Security Response
Team
2, 3) Reported by the vendor.
ORIGINAL ADVISORY:
http://tomcat.apache.org/security-6.html#Fixed_in_Apache_Tomcat_6.0.36
http://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.32
OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
DEEP LINKS:
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http://secunia.com/vulnerability_intelligence/
EXTENDED DESCRIPTION:
Further details available in Customer Area:
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EXTENDED SOLUTION:
Further details available in Customer Area:
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EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
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