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	    Caldera International, Inc. Security Advisory

Subject:		OpenServer: mana buffer overflow
Advisory number: 	CSSA-2001-SCO.12
Issue date: 		2001 August 17
Cross reference:
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1. Problem Description
	
	/usr/internet/admin/mana/mana was subject to a buffer overflow
	that could be used by a malicious user to gain root access.


2. Vulnerable Versions

	Operating System	Version		Affected Files
	------------------------------------------------------------------
	OpenServer		<= 5.0.6a	/usr/internet/admin/mana/mana


3. Workaround

	None.


4. OpenServer

  4.1 Location of Fixed Binaries

	ftp://stage.caldera.com/pub/security/openserver/CSSA-2001-SCO.12/


  4.2 Verification

	md5 checksums:

	c7c06ccffc481b78e249dd6474996222	mana.Z


	md5 is available for download from

		ftp://stage.caldera.com/pub/security/tools/


  4.3 Installing Fixed Binaries

	Upgrade the affected binaries with the following commands:

	# uncompress /tmp/mana.Z
	# mv /usr/internet/admin/mana/mana /usr/internet/admin/mana/mana.old
	# cp /tmp/mana /usr/internet/admin/mana
	# chown root /usr/internet/admin/mana/mana
	# chgrp sys /usr/internet/admin/mana/mana
	# chmod 6755 /usr/internet/admin/mana/mana
	

5. References

        This, and other advisories are located at
                http://stage.caldera.com/support/security

        This advisory addresses Caldera Security internal incident sr847464.

6. Disclaimer

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

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