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AUSCERT External Security Bulletin Redistribution
ESB-2007.0279 -- [Win][Linux][HP-UX][Solaris][AIX]
Memory Leak in the Network Security Services (NSS) Software
May Lead to Denial of Service
4 May 2007
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AusCERT Security Bulletin Summary
---------------------------------
Product: Sun Java System Directory Server 5.2
Sun Java System Directory Server Enterprise Edition
Publisher: Sun Microsystems
Operating System: Solaris
Linux variants
HP-UX
AIX
Windows
Impact: Denial of Service
Access: Remote/Unauthenticated
CVE Names: CVE-2006-3127
Ref: ESB-2006.0481
Original Bulletin:
http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-102896-1
Revision History: May 4 2007: Updated Resolution section
April 30 2007: Initial Release
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Sun(sm) Alert Notification
* Sun Alert ID: 102896
* Synopsis: Directory Server May Hang Due to a Memory Leak in the
Network Security Services (NSS) Software
* Category: Security
* Product: Sun Java System Directory Server 5.2, Sun Java System
Directory Server Enterprise Edition
* BugIDs: 6421471
* Avoidance: Patch, Workaround
* State: Resolved
* Date Released: 27-Apr-2007, 03-May-2007
* Date Closed: 03-May-2007
* Date Modified: 02-May-2007, 03-May-2007
1. Impact
A local or remote unprivileged user may be able to cause the Sun Java
System Directory Server 5.2 to become unresponsive or hang. This is a
Denial of Service (DoS) due to a memory leak in the Network Security
Services (NSS) software.
NSS is an open source project which adds support for SSL, S/MIME, and
other Internet security standards to the Sun Java Enterprise System.
Further information about NSS can be found at:
* http://www.mozilla.org/projects/security/pki/nss/
This issue is also described in CVE-2006-3127 at:
* http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3127
2. Contributing Factors
This issue can occur in the following releases for all platforms
(Solaris 8, 9, and 10 on Solaris SPARC and Solaris x86 Platforms,
Linux, Windows, HP-UX, and AIX):
PatchZIP (Compressed Archive) versions:
* Sun Java System Directory Server 5.2
* Sun Java System Directory Server 5.2 Patch2
* Sun Java System Directory Server 5.2 Patch3
* Sun Java System Directory Server 5.2 Patch4
Note: Sun ONE Directory Server 5.1 and earlier versions are not
affected by this issue.
To determine the version of Directory Server running on a system, the
following command can be used:
$ cd <installation directory>/bin/slapd/server[/64]
$ ./ns-slapd -V -D <instance-directory>
3. Symptoms
Should the described issue occur, the Directory Server will become
unresponsive.
4. Relief/Workaround
There is no workaround for this issue. To recover from an unresponsive
LDAP server instance, the following command can be used to restart the
LDAP server process:
On UNIX systems (usually as root user):
# <server instance path>/start-slapd
On Windows systems, open the "Services" panel and start the service
manually.
5. Resolution
This issue is addressed in Sun Java System Directory Server 5.2
Patch5. To upgrade to Directory Server 5.2patch5, apply the following
patches:
PatchZIP (Compressed Archive) versions:
* Solaris Sparc: 117665-04
* Solaris x86: 117666-04
* Linux: 117668-04
* Windows: 117667-04
* HP-UX: 117669-04
* AIX: 117670-04
Change History
02-May-2007:
* Updated Resolution section
03-May-2007:
* State: Resolved
* Updated Resolution section
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 2000-2006 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved
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