Home / vulnerabilities Secunia Security Advisory 51138
Posted on 07 November 2012
Source : packetstormsecurity.org Link
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TITLE:
Apache Tomcat Security Bypass and Denial of Service Vulnerabilities
SECUNIA ADVISORY ID:
SA51138
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http://secunia.com/advisories/51138/
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https://ca.secunia.com/?page=viewadvisory&vuln_id=51138
RELEASE DATE:
2012-11-06
DISCUSS ADVISORY:
http://secunia.com/advisories/51138/#comments
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http://secunia.com/advisories/51138/
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DESCRIPTION:
A weakness and a vulnerability 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 "parseHeaders()" function
(InternalNioInputBuffer.java) when parsing request headers does not
properly verify the permitted size and can be exploited to trigger an
OutOfMemoryError exception via specially crafted headers.
This vulnerability is reported in versions 6.0.0-6.0.35 and
7.0.0-7.0.27.
2) An error within DIGEST authentication mechanism does not properly
check server nonces.
This weakness is reported in versions 5.5.0-5.5.35, 6.0.0-6.0.35, and
7.0.0-7.0.29.
SOLUTION:
Update to version 5.5.36, 6.0.36, or 7.0.30.
PROVIDED AND/OR DISCOVERED BY:
1) The vendor credits Josh Spiewak.
2) The vendor credits Tilmann Kuhn.
ORIGINAL ADVISORY:
http://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.30
http://tomcat.apache.org/security-6.html#Fixed_in_Apache_Tomcat_6.0.36
http://tomcat.apache.org/security-5.html#Fixed_in_Apache_Tomcat_5.5.36
OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
DEEP LINKS:
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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:
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