[Full-Disclosure] Security Update: [CSSA-2003-SCO.2] UnixWare 7.1.1 : multiple vulnerabilities in BIND (CERT CA-2002-31)

From: securityat_private
Date: Wed Jan 15 2003 - 11:43:26 PST

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______________________________________________________________________________

			SCO Security Advisory

Subject:		UnixWare 7.1.1 : multiple vulnerabilities in BIND (CERT CA-2002-31)
Advisory number: 	CSSA-2003-SCO.2
Issue date: 		2003 January 15
Cross reference:
______________________________________________________________________________


1. Problem Description

	 From CERT CA-2002-31:

	 Multiple vulnerabilities have been found in BIND (Berkeley
	 Internet Name Domain).

	 One of these vulnerabilities may allow remote attackers to
	 execute arbitrary code with the privileges of the user
	 running named, typically root.

	 Other vulnerabilities may allow remote attackers to disrupt
	 the normal operation of your name server, possibly causing a
	 crash.

	 A vulnerability in the DNS resolver library may allow remote
	 attackers to execute arbitrary code with the privileges of
	 applications that issue network name or address requests.


2. Vulnerable Supported Versions

	System				Binaries
	----------------------------------------------------------------------
	UnixWare 7.1.1 			/usr/lib/nslookup.help
					/usr/sbin/addr
					/usr/sbin/dig
					/usr/sbin/dnskeygen
					/usr/sbin/dnsquery
					/usr/sbin/host
					/usr/sbin/in.named
					/usr/sbin/irpd
					/usr/sbin/mkservdb
					/usr/sbin/named-bootconf
					/usr/sbin/named-xfer
					/usr/sbin/ndc
					/usr/sbin/nslookup
					/usr/sbin/nsupdate


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.2


	4.2 Verification

	MD5 (erg712161.pkg.Z) = 834f2766a46d684c40d7637f6b2be2f4

	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 erg712161.pkg.Z to the /var/spool/pkg directory

	# uncompress /var/spool/pkg/erg712161.pkg.Z
	# pkgadd -d /var/spool/pkg/erg712161.pkg


5. References

	Specific references for this advisory:

		 http://www.cert.org/advisories/CA-2002-31.html
		 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1219
		 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1220
		 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1221

	SCO security resources:

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

	This security fix closes SCO incidents sr871600, fz526634,
	erg712161.


6. 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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