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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2009.0559 -- [Win][UNIX/Linux] Apache Tomcat: Inappropriate Access 11 June 2009 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Tomcat 6.0.0 to 6.0.18 Tomcat 5.5.0 to 5.5.27 Tomcat 4.1.0 to 4.1.39 Publisher: The Apache Software Foundation Operating System: UNIX variants (UNIX, Linux, OSX) Windows Impact: Inappropriate Access Access: Remote/Unauthenticated CVE Names: CVE-2008-5515 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Updated to add additional patches required for 5.5.x and 4.1.x CVE-2008-5515: Apache Tomcat information disclosure vulnerability Severity: Important Vendor: The Apache Software Foundation Versions Affected: Tomcat 4.1.0 to 4.1.39 Tomcat 5.5.0 to 5.5.27 Tomcat 6.0.0 to 6.0.18 The unsupported Tomcat 3.x, 4.0.x and 5.0.x versions may be also affected Description: When using a RequestDispatcher obtained from the Request, the target path was normalised before the query string was removed. A request that included a specially crafted request parameter could be used to access content that would otherwise be protected by a security constraint or by locating it in under the WEB-INF directory. Mitigation: 6.0.x users should upgrade to 6.0.20 or apply this patch: http://svn.apache.org/viewvc?view=rev&revision=734734 5.5.x users should upgrade to 5.5.28 when released or apply these patches: http://svn.apache.org/viewvc?view=rev&revision=782757 http://svn.apache.org/viewvc?view=rev&revision=783291 4.1.x users should upgrade to 4.1.40 when released or apply these patches: http://svn.apache.org/viewvc?view=rev&revision=782763 http://svn.apache.org/viewvc?view=rev&revision=783292 Example: For a page that contains: <% request.getRequestDispatcher( "bar.jsp?somepar=someval&par=" + request.getParameter( "blah" ) ).forward( request, response ); %> an attacker can use: http://host/page.jsp?blah=/../WEB-INF/web.xml Credit: This issue was discovered by Iida Minehiko, Fujitsu Limited References: http://tomcat.apache.org/security.html - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkovmMwACgkQb7IeiTPGAkNPigCcDBEKxwuBoXnvixbqoqM8CIaN VKYAni4kHySG2JmbYi1hz4xAGpgm36Gr =7FT9 - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iD8DBQFKMKiGNVH5XJJInbgRAmKWAJ0cCIrhpJIUMDtyeNrNOsmhUbAOXACePq4N mhGGKaH4Ye95X555qkcd7VU= =QOum -----END PGP SIGNATURE-----