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|Last Updated Date:||Wed Jun 10 00:00:00 MDT 1998|
Bulletin Number: 00170
Cross-Ref: CERT CA-98.06
ISS Security Advisory, June 10, 1998
Create Date: June 10, 1998
Date: June 10, 1998
The information contained in this Security Bulletin is provided "AS IS."
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1. Bulletins Topics
Sun announces the release of patches for Solaris(tm) 2.6, 2.5.1, 2.5
and 2.4 (SunOS(tm) 5.6, 5.5.1, 5.5 and 5.4), which relate to a
vulnerability in rpc.nisd.
Sun estimates that the release of a patch for Solaris 2.3 (SunOS 5.3)
that relates to the same vulnerability will be available within 12 weeks
of the date of this bulletin.
Sun strongly recommends that you install the patches listed in section 4
immediately on systems running SunOS 5.6, 5.6_x86, 5.5.1, 5.5, and 5.4
which use rpc.nisd.
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 on systems which are NIS+ servers.
Not vulnerable: All other supported versions of SunOS.
3. Understanding the Vulnerability
The rpc.nisd daemon is an RPC service that implements the NIS+ service.
This daemon must be running on all machines which serve a portion of
the NIS+ namespace. A buffer overflow has been discovered in rpc.nisd
which could be exploited to gain root access and execute arbitrary
4. List of Patches
The following patches are available in relation to the above problem.
SunOS Patch ID
SunOS 5.6 105401-13
SunOS 5.6_x86 105402-13
SunOS 5.5.1 103612-41
SunOS 5.5.1_x86 103613-41
SunOS 5.5 103187-38
SunOS 5.5_x86 103188-38
SunOS 5.4 101973-35
SunOS 5.4_x86 101974-35
SunOS 5.3 101318-91 (to be released in 12 weeks)
Sun acknowledges with thanks CERT/CC and Internet Security Systems, Inc. for
their assistance in this matter.
A. Patches listed in this bulletin are available to all Sun customers via
World Wide Web at:
B. Checksums for the patches listed in this bulletin are available via
World Wide Web at:
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D. Sun Security Coordination Team's PGP key is available via World Wide Web
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Copyright 1998 Sun Microsystems, Inc. All rights reserved. Sun,
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