To: bugtraq@securityfocus.com announce@lists.caldera.com scoannmod@xenitec.on.ca full-disclosure@lists.netsys.com ______________________________________________________________________________ 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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