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AUSCERT External Security Bulletin Redistribution
ESB-1999.072 -- Sun Security Advisory #00186
Security Vulnerability in rpc.statd
08 June 1999
Sun Microsystems, Inc. has released the following advisory concerning a
vulnerability in rpc.statd. rpc.statd allows indirect RPC calls to other
RPC services, and because rpc.statd runs as root, this vulnerability may
allow remote attackers to bypass the access controls of other RPC services
and execute commands on remote hosts.
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Sun Microsystems, Inc. Security Bulletin
Bulletin Number: #00186
Date: June 7, 1999
The information contained in this Security Bulletin is provided "AS IS."
Sun makes no warranties of any kind whatsoever with respect to the information
contained in this Security Bulletin. ALL EXPRESS OR IMPLIED CONDITIONS,
REPRESENTATIONS AND WARRANTIES, INCLUDING ANY WARRANTY OF NON-INFRINGEMENT OR
IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE
HEREBY DISCLAIMED AND EXCLUDED TO THE EXTENT ALLOWED BY APPLICABLE LAW.
IN NO EVENT WILL SUN MICROSYSTEMS, INC. BE LIABLE FOR ANY LOST REVENUE,
PROFIT OR DATA, OR FOR DIRECT, SPECIAL, INDIRECT, CONSEQUENTIAL, INCIDENTAL
OR PUNITIVE DAMAGES HOWEVER CAUSED AND REGARDLESS OF ANY THEORY OF LIABILITY
ARISING OUT OF THE USE OF OR INABILITY TO USE THE INFORMATION CONTAINED IN
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THE POSSIBILITY OF SUCH DAMAGES.
If any of the above provisions are held to be in violation of applicable law,
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1. Bulletins Topics
Sun announces the release of patches for Solaris(tm) 2.6, 2.5.1,
2.5, 2.4, and 2.3 (SunOS(tm) 5.6, 5.5.1, 5.5, 5.4 and 5.3), which
relate to a vulnerability involving rpc.statd.
Sun recommends that you install the patches listed in section 4
immediately on systems running SunOS 5.6, 5.5.1, 5.5, 5.4, and 5.3.
2. Who is Affected
Vulnerable: SunOS 5.6, 5.6_x86, 5.5.1, 5.5.1_x86, 5.5, 5.5_x86,
5.4, 5.4_x86, and 5.3.
Not vulnerable: All other supported versions of SunOS.
3. Understanding the Vulnerability
rpc.statd is the NFS file-locking status monitor. It interacts with
rpc.lockd to provide the crash and recovery functions for file locking
across NFS. rpc.statd allows indirect RPC calls to other RPC services.
Because rpc.statd runs as root, this allows remote attackers to bypass
access controls of other RPC services.
4. List of Patches
The following patches are available in relation to the above problem.
OS Version Patch ID
SunOS 5.6 106592-02
SunOS 5.6_x86 106593-02
SunOS 5.5.1 104166-04
SunOS 5.5.1_x86 104167-04
SunOS 5.5 103468-04
SunOS 5.5_x86 103469-05
SunOS 5.4 102769-07
SunOS 5.4_x86 102770-07
SunOS 5.3 102932-05
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Copyright 1999 Sun Microsystems, Inc. All rights reserved. Sun,
Sun Microsystems, Solaris and SunOS are trademarks or registered trademarks
of Sun Microsystems, Inc. in the United States and other countries. This
Security Bulletin may be reproduced and distributed, provided that this
Security Bulletin is not modified in any way and is attributed to
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