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SCO Security Bulletin 99.03
January 27th, 1999
Security Vulnerability in remote login
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I.   Description

A security vulnerability has been discovered in the remote login daemons. 

II.  Impact
        
These vulnerabilities could allow local and remote users to gain unauthourised 
system access.

As far as we are aware, there have been no public announcements of these 
vulnerabilities. However we do recommend this patch is applied as soon as 
possible.

III. Releases

This problem exists on the following releases of SCO operating systems:

     	 - SCO OpenServer 5.0.5. For earlier OpenServer releases please 
	   refer to SB-99.06a
	 - SCO UnixWare 7.0.1 and earlier releases
	 - SCO UnixWare 2.1.3 and earlier releases

IV.  Solution

SCO is providing an interim patch to address this issue in the form of a
System Security Enhancement (SSE) package.

SSE020 contains a replacement binaries for SCO OpenServer 5.0.5, 
SCO UnixWare 7.0.1 and earlier releases, SCO UnixWare 2.1.3 and 
earlier releases and is available for Internet download via anonymous ftp, and 
from the SCOFORUM on Compuserve.

You can download the SSE package as follows:

Anonymous ftp (World Wide Web URL):

    ftp://ftp.sco.COM/SSE/sse020.ltr    (cover letter, ASCII text)
    ftp://ftp.sco.COM/SSE/sse020.tar.Z  (new binaries, compressed tar file)

Compuserve:

    GO SCOFORUM, and search Library 11 (SLS/SSE Files) for these filenames:

	SSE020.LTR	(cover letter, ASCII text)
	SSE020.TAZ	(new binaries, compressed tar file)

Checksums (sum -r):

	59672     5 sse020.ltr
	08641   308 sse020.tar.Z

V.   Updates

This bulletin is available for anonymous ftp download from 
ftp://ftp.sco.COM/SSE/security_bulletins/SB-99.03b, and will be
updated as new information becomes available.

The latest information on security vulnerabilities and fixes from
SCO is available on the world-wide web at http://www.sco.com/security/

VI.  Further Information:

If you have further questions, contact your support provider.  If you
need to contact SCO, please send electronic mail to support@sco.COM, or
contact SCO as follows. 

    USA/Canada: 6am-5pm Pacific Time (PST/PDT)
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    1-800-347-4381  (voice)
    1-408-427-5443  (fax)

    Pacific Rim, Asia, and Latin American customers: 6am-5pm Pacific
    ------------------------------------------------ Time (PST/PDT)
    1-408-425-4726  (voice)
    1-408-427-5443  (fax)

    Europe, Middle East, Africa: 9am-5:30pm UK Time (GMT/BST)
    ----------------------------
    +44 (0)1923 816344 (voice)
    +44 (0)1923 817781 (fax)