Sun Security Bulletin #00203 (fwd) (yppasswd/ypbind)

[Jose Nazario <jose () biocserver BIOC cwru edu>]

aleph1/whoever

i don't think the patch announcement has been posted to bugtraq for the
yppasswd/ypbind vulnerability mray found some time ago (the one i
forwarded to bugtraq back in may). please pass this on if you think it's
appropriate.

i checked to make sure patches were out and available, they appear to be.

thanks.

____________________________
jose nazario                                                 jose () cwru edu
                     PGP: 89 B0 81 DA 5B FD 7E 00  99 C3 B2 CD 48 A0 07 80
                                       PGP key ID 0xFD37F4E5 (pgp.mit.edu)



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________________________________________________________________________________
                   Sun Microsystems, Inc. Security Bulletin

Bulletin Number:        #00203
Date:                   June 21, 2001
Cross-Ref:              AUSCERT AA-2001.03
Title:                  ypbind
________________________________________________________________________________

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________________________________________________________________________________

1.  Bulletins Topics

    Sun announces the release of patches for Solaris(tm) 8, 7, 2.6,
    2.5.1, 2.5, and 2.4 (SunOS(tm) 5.8, 5.7, 5.6, 5.5.1, 5.5, and
    5.4) which relate to a buffer overflow vulnerability in ypbind.

    Sun recommends that you install the patches listed in section 4
    immediately on systems running SunOS 5.8, 5.7, 5.6, 5.5.1, 5.5,
    and 5.4

2.  Who is Affected

        Vulnerable:             SunOS 5.8, 5.8_x86, 5.7, 5.7_x86, 5.6,
                                5.6_x86, 5.5.1, 5.5.1_x86, 5.5, 5.5_x86,
                                5.4, and 5.4_x86
        Not vulnerable:         SunOS 5.8 01/01* and SunOS 5.8_x86 01/01*
                                and all later SunOS 5.8 update releases.
                                SunOS 5.8 and SunOS 5.8_x86 with
                                Maintenance Update (MU) 3* or a later MU
                                applied.

* To determine if one is running SunOS 5.8 01/01 or later or SunOS 5.8
Maintenance Update 3 or later, check the contents of the /etc/release file.

3.  Understanding the Vulnerability

    The ypbind daemon runs on all client and server machines that are set
    up to use NIS.  A buffer overflow vulnerability has been discovered in
    ypbind which may be exploited by a local or a remote attacker to gain
    root access.

4.  List of Patches

    The following patches are available in relation to the above problems.

    OS Version          Patch ID
    __________          _________
    SunOS 5.8           110322-01
    SunOS 5.8_x86       110323-01
    SunOS 5.7           108750-02
    SunOS 5.7_x86       108751-02
    SunOS 5.6           105403-04
    SunOS 5.6_x86       105404-04
    SunOS 5.5.1         105165-04
    SunOS 5.5.1_x86     105166-04
    SunOS 5.5           105169-04
    SunOS 5.5_x86       105170-04
    SunOS 5.4           101973-41
    SunOS 5.4_x86       101974-41
_______________________________________________________________________________

Sun acknowledges with thanks, AusCERT as well as Mark Dowd and Stephen
James of IT Audit & Consulting, for bringing this issue to our attention
and their assistance in the preparation of this bulletin.
_______________________________________________________________________________
APPENDICES

A.  Patches listed in this bulletin are available to all Sun customers at:

    http://sunsolve.sun.com/securitypatch

B.  Checksums for the patches listed in this bulletin are available at:

    ftp://sunsolve.sun.com/pub/patches/CHECKSUMS

C.  Sun security bulletins are available at:

    http://sunsolve.sun.com/security

D.  Sun Security Coordination Team's PGP key is available at:

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E.  To report or inquire about a security problem with Sun software, contact
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