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SCO Security Bulletin 2000.09
6th April 2000
telnet security patch
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I.   Description
        
	A buffer overflow with the handling of environment data allowed telnet
	to execute arbitrary commands with the privileges it is set to run with.

II.  Impact

	Without this patch systems are vulnerable to the security hole listed
	above.

III. Releases

	UnixWare 7.0.0 through UnixWare 7.1.1

IV.  Solution

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

SSE065 contains a replacement binary for UnixWare 7.0.0 through 7.1.1 , and is
available for Internet download via anonymous ftp and http.

You can download the SSE package as follows:

Anonymous ftp (World Wide Web URL):

	ftp://ftp.sco.COM/SSE/sse065.ltr    (cover letter, ASCII text)
	ftp://ftp.sco.COM/SSE/sse065.tar.Z  (new binaries, compressed tar file)

Checksums (sum -r):

	61447     3 sse065.ltr
	16885   183 sse065.tar.Z

V.   Updates

This bulletin is available for anonymous ftp download from 
ftp://ftp.sco.COM/SSE/security_bulletins/SB-00.09a, 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/

SCO would like to thank kun@fiskus.islub.lublin.pl for alerting us about this
security hole.

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)