Note: This is an archival copy of Security Sun Alert 200333 as previously published on
Latest version of this security advisory is available from as Sun Alert 1000244.1.
Article ID : 1000244.1
Article Type : Sun Alerts (SURE)
Last reviewed : 2010-01-19
Audience : PUBLIC
Copyright Notice: Copyright © 2010, Oracle Corporation and/or its affiliates.

Buffer Overflow Vulnerabilities in Sun Java System Web Proxy Server 3.6 Service Pack 4


Release Phase

Bug Id
4973815, 4973816

Date of Resolved Release

Buffer overflow vulnerabilities in the Sun Java System Web Proxy Server ...

1. Impact

Buffer overflow vulnerabilities in the Sun Java System Web Proxy Server may allow a remote unprivileged user to crash either the Web Proxy Server or the Admin Server (of the Web Proxy Server) or execute arbitrary code with the privileges of the respective server processes.

Note: The recommended UIDs for the Web Proxy Server and Admin Server are "nobody" and "root" respectively, at installation time. However, the administrator may have used different UIDs from the recommended ones during installation.

Sun acknowledges with thanks, Matt Moore of Pentest Limited, for bringing these issues to our attention.

2. Contributing Factors

These issues can occur in the following release on all platforms:

  • Sun Java System Web Proxy Server 3.6 Service Pack 4 and earlier

For supported architectures and OS versions see

3. Symptoms

There are no reliable symptoms that would indicate the described issues have been exploited to execute arbitrary code. The Web Proxy Server or Admin Server may crash if the buffer overflow vulnerabilities have been exploited.

4. Workaround

There is no workaround. Please see the "Resolution" section below.

5. Resolution

These issues are addressed in the following release:

  • Sun Java System Web Proxy Server 3.6 Service Pack 5 or later

Sun Java System Web Server releases are available for download at

This Sun Alert notification is being provided to you on an "AS IS" basis. This Sun Alert notification may contain information provided by third parties. The issues described in this Sun Alert notification may or may not impact your system(s). Sun makes no representations, warranties, or guarantees as to the information contained herein. ANY AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN. This Sun Alert notification contains Sun proprietary and confidential information. It is being provided to you pursuant to the provisions of your agreement to purchase services from Sun, or, if you do not have such an agreement, the Terms of Use. This Sun Alert notification may only be used for the purposes contemplated by these agreements.

Copyright 2000-2010 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, CA 95054 U.S.A. All rights reserved.

Sun Java System Web Proxy Server 3.6 Service Pack 4

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