https://issues.apache.org/bugzilla/show_bug.cgi?id=56776
Bug ID: 56776
Summary: java.security.AccessControlException in
ClassLoaderLogManager on ClassLoader.getParent() call
Product: Tomcat 7
Version: 7.0.54
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: [email protected]
Reporter: [email protected]
The issue is based on user's report on the users mailing list,
"Security Manager Exception"
http://tomcat.markmail.org/thread/yckvcjov5yqlsgam
Stack trace: (Tomcat 7.0.54 running with Security Manager enabled)
[[[
2014-07-22 09:27:03,934 [http-bio-80-exec-64] ERROR
org.apache.catalina.core.ContainerBase.[Catalina].[somehostname.mhsoftware.com].[/].[jsp]-
Servlet.service() for servlet [jsp] in context with path [] threw exception
[java.security.AccessControlException: access denied
("java.lang.RuntimePermission" "getClassLoader")] with root cause
java.security.AccessControlException: access denied
("java.lang.RuntimePermission" "getClassLoader")
at java.security.AccessControlContext.checkPermission(Unknown Source)
at java.security.AccessController.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkPermission(Unknown Source)
at java.lang.ClassLoader.checkClassLoaderPermission(Unknown Source)
at java.lang.ClassLoader.getParent(Unknown Source)
at
org.apache.juli.ClassLoaderLogManager.findProperty(ClassLoaderLogManager.java:295)
at
org.apache.juli.ClassLoaderLogManager.getProperty(ClassLoaderLogManager.java:266)
at
org.apache.juli.ClassLoaderLogManager.addLogger(ClassLoaderLogManager.java:144)
at java.util.logging.LogManager.demandLogger(Unknown Source)
at java.util.logging.Logger.demandLogger(Unknown Source)
at java.util.logging.Logger.getLogger(Unknown Source)
at com.sun.mail.util.MailLogger.<init>(MailLogger.java:115)
at javax.mail.Session.initLogger(Session.java:226)
at javax.mail.Session.<init>(Session.java:210)
at javax.mail.Session.getInstance(Session.java:247)
at com.MHSoftware.net.mail.MHMail.sendSMTP(MHMail.java:470)
]]]
Note that com.sun.* code uses standard java.util.logging API to get a logger.
The java.lang.ClassLoader.getParent() call requires a "getClassLoader"
permission, but untrusted code should not have that one by default.
Such calls shall be wrapped by AccessController.doPrivileged() so that only the
JULI jar permissions are checked instead of checking permissions of all code in
the call chain.
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