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______________________________________________________________________________

			SCO Security Advisory

Subject:		UnixWare 7.1.1 Open UNIX 8.0.0 UnixWare 7.1.3 : remote buffer overflow in sendmail (CERT CA-2003-07)
Advisory number: 	CSSA-2003-SCO.5
Issue date: 		2003 March 07
Cross reference:
______________________________________________________________________________


1. Problem Description

	From CA-2003-07: Researchers at Internet Security Systems
	(ISS) have discovered a remotely exploitable vulnerability
	in sendmail. This vulnerability could allow an intruder to
	gain control of a vulnerable sendmail server.


2. Vulnerable Supported Versions

	System				Binaries
	----------------------------------------------------------------------
	UnixWare 7.1.1			/usr/lib/sendmail
	Open UNIX 8.0.0			/usr/lib/sendmail
	UnixWare 7.1.3			/usr/lib/sendmail


3. Solution

	The proper solution is to install the latest packages.


4. UnixWare 7.1.1

	4.1 Location of Fixed Binaries

	ftp://ftp.sco.com/pub/updates/UnixWare/CSSA-2003-SCO.5


	4.2 Verification

	MD5 (ptf7130e.pkg.Z) = b1288b52f180c9642e03166d1575de75

	md5 is available for download from
		ftp://ftp.sco.com/pub/security/tools


	4.3 Installing Fixed Binaries

	Upgrade the affected binaries with the following sequence:

	Download ptf7130e.pkg.Z to the /var/spool/pkg directory

	# uncompress /var/spool/pkg/ptf7130e.pkg.Z
	# pkgadd -d /var/spool/pkg/ptf7130e.pkg


5. Open UNIX 8.0.0

	5.1 Location of Fixed Binaries

	ftp://ftp.sco.com/pub/updates/UnixWare/CSSA-2003-SCO.5


	5.2 Verification

	MD5 (erg712247.pkg.Z) = d77109c8836142c5327ed1fc5f82e252

	md5 is available for download from
		ftp://ftp.sco.com/pub/security/tools


	5.3 Installing Fixed Binaries

	Upgrade the affected binaries with the following sequence:

	Download erg712247.pkg.Z to the /var/spool/pkg directory

	# uncompress /var/spool/pkg/erg712247.pkg.Z
	# pkgadd -d /var/spool/pkg/erg712247.pkg


6. UnixWare 7.1.3

	6.1 Location of Fixed Binaries

	ftp://ftp.sco.com/pub/updates/UnixWare/CSSA-2003-SCO.5


	6.2 Verification

	MD5 (erg712247.pkg.Z) = d77109c8836142c5327ed1fc5f82e252

	md5 is available for download from
		ftp://ftp.sco.com/pub/security/tools


	6.3 Installing Fixed Binaries

	Upgrade the affected binaries with the following sequence:

	Download erg712247.pkg.Z to the /var/spool/pkg directory

	# uncompress /var/spool/pkg/erg712247.pkg.Z
	# pkgadd -d /var/spool/pkg/erg712247.pkg


7. References

	Specific references for this advisory:

		http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1337
		http://www.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=21950
		http://www.cert.org/advisories/CA-2003-07.html
		http://www.kb.cert.org/vuls/id/398025
		http://www.sendmail.org/8.12.8.html

	SCO security resources:

		http://www.sco.com/support/security/index.html

	This security fix closes SCO incidents sr875284, fz527484,
	erg712247.


8. Disclaimer

	SCO is not responsible for the misuse of any of the information
	we provide on this website and/or through our security
	advisories. Our advisories are a service to our customers
	intended to promote secure installation and use of SCO
	products.


9. Acknowledgements

	Internet Security Systems, Inc. discovered and researched
	this vulnerability.

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