A Security Vulnerability in the bzip2(1) command may lead to a Denial of Service (DoS)

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A Security Vulnerability in the bzip2(1) command may lead to a Denial of Service (DoS)

1. Impact

A security vulnerability in the bzip2(1) command and libbz2(3) library shipped with Solaris may allow a local or remote unprivileged user who provides a specially crafted bzip2 archive to cause a program crash which is a type of Denial of Service (DoS).

Additional information regarding this issue is available in the following document:

CVE-2008-1372 at http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1372

2. Contributing Factors

SPARC Platform

• Solaris 8 without patch 138441-01
• Solaris 9 without patch 114586-03
  
• Solaris 10 without patch 126868-02
  
• OpenSolaris based upon builds snv_01 through snv_88

x86 Platform

• Solaris 8 without patch 138442-01
• Solaris 9 without patch 114587-03
  
• Solaris 10 without patch 126869-03
• OpenSolaris based upon builds snv_01 through snv_88

3. Symptoms

A program which is making of use the bzip2(1) command or libbz2(3) library could crash while decompressing bzip2 archives.

4. Workaround

There is no workaround for this issue. Please see the Resolution section below.

Until patch updates can be applied, users should avoid using bzip2(1) archives from untrusted sources.

5. Resolution

This issue is addressed in the following releases:

SPARC Platform

• Solaris 8 with patch 138441-01 or later
  
• Solaris 9 with patch 114586-03 or later
  
• Solaris 10 with patch 126868-02 or later
  
• OpenSolaris based upon build snv_89 or later
  

x86 Platform

• Solaris 8 with patch 138442-01 or later
• Solaris 9 with patch 114587-03 or later
• Solaris 10 with patch 126869-03 or later
• OpenSolaris based upon build snv_89 or later
  

For more information on Security Sun Alerts, see Technical Instruction ID 213557.

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.

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