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Security Update: [CSSA-2002-SCO.30] UnixWare 7.1.1 Open UNIX 8.0.0 : dtprintinfo buffer overflow with Help search


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Date: Tue, 25 Jun 2002 17:34:08 -0700
From: [email protected]
To: [email protected], [email protected],
Subject: Security Update: [CSSA-2002-SCO.30] UnixWare 7.1.1 Open UNIX 8.0.0 : dtprintinfo buffer overflow with Help search

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To: [email protected] [email protected] [email protected]

______________________________________________________________________________

		Caldera International, Inc.  Security Advisory

Subject:		UnixWare 7.1.1 Open UNIX 8.0.0 : dtprintinfo buffer overflow with Help search
Advisory number: 	CSSA-2002-SCO.30
Issue date: 		2002 June 25
Cross reference:
______________________________________________________________________________


1. Problem Description

	The CDE dtprintinfo program is vulnerable to a buffer
	overflow condition that allows a local attacker to gain
	root access. The problem occurs due to insufficient bounds
	checking in the Volume search field from the Help section.
	An attacker can insert a specially crafted string for the
	search parameter and gain root privileges.


2. Vulnerable Supported Versions

	System				Binaries
	----------------------------------------------------------------------
	UnixWare 7.1.1			/usr/dt/lib/libDtHelp.so.1
	Open UNIX 8.0.0			/usr/dt/lib/libDtHelp.so.1


3. Solution

	The proper solution is to install the latest packages.


4. UnixWare 7.1.1

	4.1 Location of Fixed Binaries

	ftp://ftp.caldera.com/pub/updates/OpenUNIX/CSSA-2002-SCO.30


	4.2 Verification

	MD5 (erg712032.pkg.Z) = b654e5f739056ba4a73e07646e88f049

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


	4.3 Installing Fixed Binaries

	Upgrade the affected binaries with the following commands:

	Download erg712032.pkg.Z to the /var/spool/pkg directory

	# uncompress /var/spool/pkg/erg712032.pkg.Z
	# pkgadd -d /var/spool/pkg/erg712032.pkg


5. Open UNIX 8.0.0

	5.1 Location of Fixed Binaries

	ftp://ftp.caldera.com/pub/updates/OpenUNIX/CSSA-2002-SCO.30


	5.2 Verification

	MD5 (erg712032.pkg.Z) = b654e5f739056ba4a73e07646e88f049

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


	5.3 Installing Fixed Binaries

	Upgrade the affected binaries with the following commands:

	Download erg712032.pkg.Z to the /var/spool/pkg directory

	# uncompress /var/spool/pkg/erg712032.pkg.Z
	# pkgadd -d /var/spool/pkg/erg712032.pkg


6. References

	Specific references for this advisory:
		http://www.eSecurityOnline.com/advisories/eSO2406.asp
		http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2001-0551

	Caldera security resources:
		http://www.caldera.com/support/security/index.html

	This security fix closes Caldera incidents sr863696, fz520821,
	erg712032.


7. Disclaimer

	Caldera International, Inc. 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 Caldera products.


8. Acknowledgements

	Kevin Kotas of eSecurityOnline discovered this vulnerability.

______________________________________________________________________________

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