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SCO Security Bulletin 99.05
January 27th, 1999
Security Vulnerability in sendmail
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I.   Description

Security vulnerabilities have been discovered in sendmail (8.8.7) on
certain SCO systems.

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

These security vulnerabilities are public knowledge, so this patch should be 
applied immediately.

III. Releases

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

	- SCO OpenServer 5.05 and earlier releases (also Internet FastStart)
	- SCO UnixWare 7.0.1 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.

SSE022 contains a replacement binaries for SCO OpenServer 5.05 and earlier 
releases, SCO UnixWare 7.0.1 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/sse022.ltr    (cover letter, ASCII text)
    ftp://ftp.sco.COM/SSE/sse022.tar.Z  (new binaries, compressed tar file)

Compuserve:

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

	SSE022.LTR	(cover letter, ASCII text)
	SSE022.TAZ	(new binaries, compressed tar file)

Checksums (sum -r):

	41133    11 sse022.ltr
	28239  2020 sse022.tar

V.   Updates

This bulletin is available for anonymous ftp download from 
ftp://ftp.sco.COM/SSE/security_bulletins/SB-99.05a, 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)