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SecurityAlert : 3485 CVE : CVE-2007-5342 SecurityRisk : Low  (About) Remote Exploit : No Local Exploit : Yes Exploit Available : No Credit : Delian Krustev Published : 28.12.2007
Advisory Content : -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 CVE-2007-5342: Tomcat's default security policy is too open Severity: Low Vendor: The Apache Software Foundation Versions Affected: Tomcat 5.5.9 to 5.5.25 Tomcat 6.0.0 to 6.0.15 Description: The JULI logging component allows web applications to provide their own logging configurations. The default security policy does not restrict this configuration and allows an untrusted web application to add files or overwrite existing files where the Tomcat process has the necessary file permissions to do so. Mitigation: Apply the following patch to the catalina.policy file http://svn.apache.org/viewvc?rev=606594&view=rev The patch will be included in 5.5.25 onwards and 6.0.16 onwards This patch is also included at the end of this announcement Example: An application could have its own WEB-INF/classes/logging.properties handlers = org.apache.juli.FileHandler org.apache.juli.FileHandler.level = FINE org.apache.juli.FileHandler.directory = ${catalina.base}/logs org.apache.juli.FileHandler.prefix = mylog. Credit: This issue was discovered by Delian Krustev. References: http://tomcat.apache.org/security.html Mark Thomas *** Patch starts below this line *** Index: catalina.policy =================================================================== - --- catalina.policy (revision 606588) +++ catalina.policy (working copy) @@ -62,7 +62,19 @@ // These permissions apply to the logging API grant codeBase "file:${catalina.home}/bin/tomcat-juli.jar" { - - permission java.security.AllPermission; + permission java.util.PropertyPermission "java.util.logging.config.class", "read"; + permission java.util.PropertyPermission "java.util.logging.config.file", "read"; + permission java.lang.RuntimePermission "shutdownHooks"; + permission java.io.FilePermission "${catalina.base}${file.separator}conf${file.separator}logging.propertie s", "read"; + permission java.util.PropertyPermission "catalina.base", "read"; + permission java.util.logging.LoggingPermission "control"; + permission java.io.FilePermission "${catalina.base}${file.separator}logs", "read, write"; + permission java.io.FilePermission "${catalina.base}${file.separator}logs${file.separator}*", "read, write"; + permission java.lang.RuntimePermission "getClassLoader"; + // To enable per context logging configuration, permit read access to the appropriate file. + // Be sure that the logging configuration is secure before enabling such access + // eg for the examples web application: + // permission java.io.FilePermission "${catalina.base}${file.separator}webapps${file.separator}examples${file .separator}WEB-INF${file.separator}classes${file.separator}logging.prope rties", "read"; }; // These permissions apply to the server startup code *** Patch ends above this line *** -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFHbrZQb7IeiTPGAkMRAhg1AJ4ydvIa2WIuHN8x3TKGD01xReatbgCfTtj2 8TzsMaXSUzeuEvnOuY5fmCo= =N5J9 -----END PGP SIGNATURE-----  Feedback : If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com. |
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