Bug Id
6679204

Date of Workaround Release
02-Jun-2008

Date of Resolved Release
03-Dec-2008

A Security Vulnerability in rpc.ypupdated(1M) May Allow Execution of Arbitrary Code When Run in Insecure Mode

1. Impact

A security vulnerability in the rpc.ypupdated(1M) daemon, when configured to run in the insecure mode via the "-i" option, may allow local or remote unprivileged users to execute arbitrary code with root privileges.

2. Contributing Factors

This issue can occur in the following releases:

SPARC Platform:

• Solaris 8 without patch 138885-01
  
• Solaris 9 without patch 138575-01
  
• Solaris 10 without patch 139481-01
  
• OpenSolaris based upon builds snv_01 through snv_89

x86 Platform:

• Solaris 8 without patch 138886-01
  
• Solaris 9 without patch 138576-01
  
• Solaris 10 without patch 139482-01
  
• OpenSolaris based upon builds snv_01 through snv_89

Note: Only OpenSolaris installations including the affected binary listed below are affected by this issue :


Note: OpenSolaris distributions may include additional bug fixes above and beyond the base build from which it was derived. The base build can be derived as follows:

$ uname -a
SunOS  phys-node-1 5.11 snv_86 i86pc i386 i86pc

3. Symptoms

There are no predictable symptoms to indicate the described issue has been exploited to execute arbitrary code.

4. Workaround

To work around the described issue, do not run rpc.ypupdated(1M) using the "-i" option (insecure mode).

5. Resolution

This issue is addressed in the following releases:

SPARC Platform

• Solaris 8 with patch 138885-01 or later
  
• Solaris 9 with patch 138575-01 or later
  
• Solaris 10 with patch 139481-01 or later
  
• OpenSolaris based upon build snv_90 or later

x86 Platform

• Solaris 8 with patch 138886-01 or later
  
• Solaris 9 with patch 138576-01 or later
• Solaris 10 with patch 139482-01 or later
• OpenSolaris based upon build snv_90 or later

For more information on Security Sun Alerts, see 1009886.1.

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 2000-2008 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, CA 95054 U.S.A. All rights reserved.

Modification History
23-Jun-2008: Updated Workaround section
03-Dec-2008: Updated Contributing Factors and Resolution sections, now Resolved

Product
Solaris 8 Operating System
Solaris 9 Operating System
Solaris 10 Operating System

References

138575-01
138576-01
138885-01
138886-01
139481-01
139482-01





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