full-disclosure - Security Update: [CSSA-2003-SCO.4] UnixWare 7.1.1 Open UNIX 8.0.0 UnixWare 7.1.3 : Lax permissions on /dev/X

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From: security at caldera.com (security@...dera.com)
Subject: Security Update: [CSSA-2003-SCO.4] UnixWare 7.1.1 Open UNIX 8.0.0 UnixWare 7.1.3 : Lax permissions on /dev/X

To: bugtraq@...urityfocus.com announce@...ts.caldera.com scoannmod@...itec.on.ca full-disclosure@...ts.netsys.com

______________________________________________________________________________

			SCO Security Advisory

Subject:		UnixWare 7.1.1 Open UNIX 8.0.0 UnixWare 7.1.3 : Lax permissions on /dev/X
Advisory number: 	CSSA-2003-SCO.4
Issue date: 		2003 March 04
Cross reference:
______________________________________________________________________________


1. Problem Description

	The /dev/X directory is world readable and writable, and
	the files in it are also world readable and writable.
	Denial-of-Service attacks are possible, as well as possible
	data hijacking. The X server sets these permissions when
	it starts up, so there is no workaround for this issue.


2. Vulnerable Supported Versions

	System				Binaries
	----------------------------------------------------------------------
	UnixWare 7.1.1			Standard X Distribution
	Open UNIX 8.0.0			Standard X Distribution
	UnixWare 7.1.3			Standard X Distribution

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.4


	4.2 Verification

	MD5 (basex.pkg.Z) = 510888d562f6c2249555fefdae94d49d
	MD5 (xserver.pkg.Z) = 74797f12d6e3e80300980854050f62ef

	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 basex.pkg.Z to the /var/spool/pkg directory

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

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


5. Open UNIX 8.0.0

	5.1 Location of Fixed Binaries

	ftp://ftp.sco.com/pub/updates/UnixWare/CSSA-2003-SCO.4


	5.2 Verification

	MD5 (basex.pkg.Z) = 510888d562f6c2249555fefdae94d49d
	MD5 (xserver.pkg.Z) = 74797f12d6e3e80300980854050f62ef

	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 basex.pkg.Z to the /var/spool/pkg directory

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

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


6. UnixWare 7.1.3

	6.1 Location of Fixed Binaries

	ftp://ftp.sco.com/pub/updates/UnixWare/CSSA-2003-SCO.4


	6.2 Verification

	MD5 (basex.pkg.Z) = 510888d562f6c2249555fefdae94d49d
	MD5 (xserver.pkg.Z) = 74797f12d6e3e80300980854050f62ef

	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 basex.pkg.Z to the /var/spool/pkg directory

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

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


7. References

	Specific references for this advisory:

		none

	SCO security resources:

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

	This security fix closes SCO incidents sr874992, sr874607,
	fz527440, erg712231.


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.

______________________________________________________________________________
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