Note: This is an archival copy of Security Sun Alert 258508 as previously published on http://sunsolve.sun.com.|
Latest version of this security advisory is available from http://support.oracle.com as Sun Alert 1020442.1.
Sun Java System Access Manager Policy Agents 2.2
Date of Resolved Release
A Security Vulnerability in the Sun Java System Access Manager Policy Agent May Result in a Denial of Service (DoS) to Web Proxy Server 4.0
A security vulnerability in the Sun Java System Access Manager Policy Agent may allow a local or remote unprivileged user to crash the Sun Java System Web Proxy Server, when this is the deployment container that the Agent is running in. This is a type of Denial of Service (DoS).
Sun would like to thank Jason Jones of Inner Security Ltd (http://www.innersecurity.co.uk) for bringing this issue to our attention.
2. Contributing Factors
This issue can occur in the following releases for all platforms (Solaris 8, 9, and 10 (x86 and SPARC), Linux and Windows):
$ <ps_install>/bin/proxy/bin/proxyd -v
and see the 'amAgent' log file for details. If you are uncertain of the location of the 'amAgent' log file, you can find it in the web agent 'AMAgent.properties' configuration file as the value assigned to the following property:
If the described issue is exploited, the Web Proxy Server protected by Policy Agent may crash, making its services unavailable briefly until the Web Proxy Server is restarted by the Proxy Server's watchdog process, which monitors and restarts Proxy Server instances.
There is no workaround for this issue. Please see the Resolution section below.
This issue is addressed in the following releases for all platforms (Solaris 8, 9, and 10 (x86 and SPARC), Linux and Windows):
For more information on Security Sun Alerts, see 1009886.1.
Copyright 2000-2009 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, CA 95054 U.S.A. All rights reserved.
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