Tomcat duplicate request processing vulnerability

2008.02.12
Credit: Mark Thomas
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-Other


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 CVE-2007-6286: Tomcat duplicate request processing vulnerability Severity: Important Vendor: The Apache Software Foundation Versions Affected: Tomcat 5.5.11 to 5.5.25 Tomcat 6.0.0 to 6.0.15 Description: When using the native (APR based) connector, connecting to the SSL port using netcat and then disconnecting without sending any data will cause tomcat to handle a duplicate copy of one of the recent requests. Mitigation: 6.0.x users should upgrade to 6.0.16 which includes version 1.1.12 of the native connector. 5.5.x users should upgrade to 5.5.26 which includes version 1.1.12 of the native connector. Example: See description. Credit: This issue was discovered by System Core (http://www.systemcore.ca/). References: http://tomcat.apache.org/security.html http://tomcat.apache.org/security-5.html http://tomcat.apache.org/security-6.html The Apache Tomcat Security Team -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFHrOcwb7IeiTPGAkMRAq+NAJ45EswKdmWWGfG8r1pr+8TMXzBHCgCePkK0 SYpXhEieSJHQcsO/rxN0ylY= =JK4t -----END PGP SIGNATURE-----


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