full-disclosure - OpenServer 5.0.6 OpenServer 5.0.7 : enable command line buffer overflows

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From: please_reply_to_security at sco.com (please_reply_to_security@....com)
Subject: OpenServer 5.0.6 OpenServer 5.0.7 : enable
	command line buffer overflows


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______________________________________________________________________________

			SCO Security Advisory

Subject:		OpenServer 5.0.6 OpenServer 5.0.7 : enable command line buffer overflows
Advisory number: 	SCOSA-2005.13
Issue date: 		2005 February 07
Cross reference:	sr875254 fz527477 erg712243 CAN-2004-1131
______________________________________________________________________________


1. Problem Description

	Davide Del Vecchio reported a buffer overflow in HP-UX that
	affected the disable command. This caused us to take a
	closer look at the enable and disable commands in SCO
	OpenServer. 

	The system is designed to allow an administrator to give out 
	subsystem privileges. If a user has been given the "lp" 
	privilege, he could run enable/disable and possably
	gain root privileges. Regular users can't run enable and
	disable. 

	The Common Vulnerabilities and Exposures project (cve.mitre.org) 
	has assigned the name CAN-2004-1131 to this issue.

2. Vulnerable Supported Versions

	System				Binaries
	----------------------------------------------------------------------
	OpenServer 5.0.6 		/usr/bin/enable
	OpenServer 5.0.7 		/usr/bin/enable

3. Solution

	The proper solution is to install the latest packages.

4. OpenServer 5.0.6

	4.1 First install oss646c or later

	4.2 Location of oss646c

	ftp://ftp.sco.com/pub/openserver5/oss646c/

	4.3 Verification of oss646c

	MD5 (VOL.000.000) = f19b6c6949f615316bfb075d249989e8
	MD5 (VOL.000.001) = 341ff8553aecd2c7b0c2beaf83030d0f
	MD5 (VOL.000.002) = 6e46708ad8029e12280d4f9ac60ab814
	MD5 (VOL.000.003) = 2868b64a6a6db742adb3b485be645d7e
	MD5 (VOL.000.004) = 1696fe1db9bb063827ee5e76e58dff84
	MD5 (VOL.000.005) = f39da342f8af72fcaccdf478dca04109
	MD5 (VOL.000.006) = 2b31611c8af7d2e7910d6e8e3cf701a6
	MD5 (VOL.000.007) = d0175c0f4e3ed29435b1eab95609f8f4
	MD5 (VOL.000.008) = aa9e8a525c341fed077f981b1dacb486
	MD5 (VOL.000.009) = 8e023af67b57507824406bdda322079a
	MD5 (VOL.000.010) = 2b46e8adba8ae0b64109f2069da978a2

	4.4 Installation of oss646c

	See ftp://ftp.sco.com/pub/openserver5/oss646c/oss646c.txt

	4.5 Location of Fixed Binaries

	ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.13

	4.6 Verification

	MD5 (VOL.000.000) = 22a9b1e92f54fd33931a3ca63e74d04c

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

	4.7 Installing Fixed Binaries

	Upgrade the affected binaries with the following sequence:

	1) Download the VOL* files to a directory

	2) Run the custom command, specify an install from media
	images, and specify the directory as the location of the
	images.


5. OpenServer 5.0.7

        5.1 Location of Fixed Binaries

        Maintenance Pack 3

        http://www.sco.com/support/update/download/osr507list.html

        5.2 Verification

        MD5 (507mp3_vol.tar) = c927aefdd50b50aca5d29e08c1562aec

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

        5.3 Installing Fixed Binaries

        See the Maintenance Pack 3 Release Notes

        ftp://ftp.sco.com/pub/openserver5/507/mp/mp3/osr507mp3.html
        or
        ftp://ftp.sco.com/pub/openserver5/507/mp/mp3/osr507mp3.txt


6. References

	Specific references for this advisory:
		http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1131
		http://www.securityfocus.com/bid/6845

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

	SCO security advisories via email
		http://www.sco.com/support/forums/security.html

	This security fix closes SCO incidents sr875254 fz527477
	erg712243.


7. 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.


8. Acknowledgments

	SCO would like to thank Bela Lubkin for finding the overflows
	in OpenServer.

______________________________________________________________________________

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