Apache Tomcat 7.0.32 / 6.0.36 Session Fixation

2013.05.11
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-287


CVSS Base Score: 6.8/10
Impact Subscore: 6.4/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 CVE-2013-2067 Session fixation with FORM authenticator Severity: Important Vendor: The Apache Software Foundation Versions Affected: - - Tomcat 7.0.0 to 7.0.32 - - Tomcat 6.0.21 to 6.0.36 Description: FORM authentication associates the most recent request requiring authentication with the current session. By repeatedly sending a request for an authenticated resource while the victim is completing the login form, an attacker could inject a request that would be executed using the victim's credentials. This attack has been prevented by changing the session ID prior to displaying the login page as well as after the user has successfully authenticated. Mitigation: Users of affected versions should apply one of the following mitigations: - - Tomcat 7.0.x users should upgrade to 7.0.33 or later - - Tomcat 6.0.x users should upgrade to 6.0.37 or later 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 http://tomcat.apache.org/security-6.html -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (MingW32) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJRjLHUAAoJEBDAHFovYFnnUnEP/0R3q0uPTHRXem+Jlx6DLLfs jL3TD1idxqHcUDJhX/mnePwTxIle5lAbPZn6hBknFPdD77kjyflq4TB3ZPUipsip s2bKzGGlDDZwzRIY46ZqBRcVXuemCu73BjFNLBP6CvjQwm1/wFGuOS+oRRKKigwQ Ew1Mau3c6Sb0VIED4yrgvhPwJwdi1+rA1TO87p/8rxQIS9CTcUy6J/MICPdvIQiI zIfr7pIRSNDk9JeC6Ybr/SC5lYqAox6eqOYYNoQ+5zQ1BcCw/eQgWpm4WYM2IDV3 2eNbjS/dylz5zBQEDbzz9VtReBTncQLF6Do2KDhWxkaUaX2oaOTPKlLiyL0gwA4e IDpHDl9D5mLmBaJi4Lz14cwey5wNgs28ZqX9JCUaLz7qc03J9Au7PrplOr3Xth/Z rQqeKVxFZKaIKQOm2NKs7v7bZAhzp/mKt/u9ndnk0uKk2Tf3i6QJ1GtICTY22eB6 Eh4s/o2BJDgGop0P7cTmrAv1uKu6/72eoUJBMyyGCIN67URzVZRwMQnmW6TqZoBt tASvlTVD53HV3aPdhDHDjP9x/6V6cODD29fzn5op59BWhMVuzf+1lhqphJT0hlQQ lnuf4H9UWG8I8/OzN7XNabIbVuYyhjYWnt8HI/8N/4cAHfA67fXkcbDqleKOd6qo Pcp0qDLiZqVFSotSkVFl =hWpv -----END PGP SIGNATURE-----

References:

http://tomcat.apache.org/security.html
http://tomcat.apache.org/security-7.html
http://tomcat.apache.org/security-6.html


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