P-187: Sun Java System Web Proxy Server Vulnerability Privacy and Legal Notice

CIAC INFORMATION BULLETIN

P-187: Sun Java System Web Proxy Server Vulnerability

[Sun Alert ID: 57763]

April 20, 2005 18:00 GMT

PROBLEM: A buffer overflow vulnerability was discovered in Sun Java System Web Proxy Server (Formerly Sun ONE Proxy Server).
PLATFORM: Sun Java System Web Proxy Server 3.6 Service Pack 6
DAMAGE: Exploiting this vulnerability may allow a remote unprivileged user to execute arbitrary code on the system running the Web Proxy Server with the privileges of the server process. Note that the default UID for the Web Proxy Server is "nobody", however, the administrator may have used a different UID from the default during installation or configuration.
SOLUTION: Apply available security updates.

VULNERABILITY
ASSESSMENT:
The risk is MEDIUM. A remote unprivileged user may execute arbitrary code and cause the Web Proxy Server to crash.

LINKS:  
  CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/p-187.shtml
  ORIGINAL BULLETIN: http://www.sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-57763-1

[***** Start Sun Alert ID: 57763 *****]

Sun(sm) Alert Notification

    * Sun Alert ID: 57763
    * Synopsis: Buffer Overflow Vulnerabilities in Sun Java System Web Proxy 
                Server
    * Category: Security
    * Product: Sun Java System Web Proxy Server 3.6 Service Pack 6
    * BugIDs: 5109863
    * Avoidance: Upgrade
    * State: Resolved
    * Date Released: 19-Apr-2005
    * Date Closed: 19-Apr-2005
    * Date Modified: 

1. Impact A buffer overflow vulnerability in the Sun Java System Web Proxy 
Server (Formerly Sun ONE Proxy Server) may allow a remote unprivileged user 
to execute arbitrary code on the system running the Web Proxy Server with 
the privileges of the server process.

Note: The default UID for the Web Proxy Server is "nobody", however, the 
administrator may have used a different UID from the default during instalation 
or configuration.

2. Contributing Factors This issue can occur in the following releases for 
all platforms:

    * Sun Java System Web Proxy Server 3.6 Service Pack 6 and earlier 

Note: For supported architectures and OS versions see http://www.sun.com/software/products/web_proxy/home_web_proxy.xml

3. Symptoms The Web Proxy Server may crash if the described buffer overflow 
vulnerabilities have been exploited.

Solution Summary	Top

4. Relief/Workaround There is no workaround. Please see the "Resolution" 
section below.

5. Resolution This issue is addressed in the following release:

    * Sun Java System Web Proxy Server 3.6 Service Pack 7 and later 

which can be downloaded at http://www.sun.com/download/index.jsp under the 
"Web and Proxy Servers" selection.

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 Sun.com Terms of Use. This Sun Alert notification may only 
be used for the purposes contemplated by these agreements.

Copyright 2000-2005 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 
CA 95054 U.S.A. All rights reserved.

[***** End Sun Alert ID: 57763 *****]


CIAC wishes to acknowledge the contributions of Sun Microsystems for the information contained in this bulletin.
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