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Security Update: [CSSA-2001-SCO.32] Open UNIX, UnixWare 7: buffer overflow in ppp utilities


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Date: Mon, 12 Nov 2001 17:17:30 -0800
From: [email protected]
To: [email protected], [email protected],
Subject: Security Update: [CSSA-2001-SCO.32] Open UNIX, UnixWare 7: buffer overflow in ppp utilities

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To: [email protected] [email protected] scoannmod@xenitec.=
on.ca

___________________________________________________________________________

	    Caldera International, Inc. Security Advisory

Subject:		Open UNIX, UnixWare 7: buffer overflow in ppp utilities
Advisory number: 	CSSA-2001-SCO.32
Issue date: 		2001 November 12
Cross reference:
___________________________________________________________________________


1. Problem Description
=09
	There is a buffer overflow in several of the ppp utilities that
	are linked to /usr/bin/pppattach. This could be used by an
	unauthorized user to gain privilege.


2. Vulnerable Versions

	Operating System	Version		Affected Files
	------------------------------------------------------------------
	UnixWare 7		7.1.0, 7.1.1	/usr/bin/pppattach
	Open UNIX		8.0.0		/usr/bin/pppattach


3. Workaround

	If you do not use ppp, remove the execute and/or setuid
	permissions from /usr/bin/pppattach.


4. UnixWare 7, Open UNIX 8

  4.1 Location of Fixed Binaries

	ftp://stage.caldera.com/pub/security/openunix/CSSA-2001-SCO.32/


  4.2 Verification

	md5 checksums:
=09
	24cf948a3691be14398dcd63d2f8eafb	erg711869b.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/erg711869b.Z
	# pkgadd -d /tmp/erg711869b


5. References

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

	This advisory addresses Caldera Security internal incidents
	sr854234, fz519119 and erg711869.


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.


	=20
___________________________________________________________________________

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