To: announce@lists.caldera.com bugtraq@securityfocus.com full-disclosure@lists.netsys.com -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SCO Security Advisory Subject: UnixWare 7.1.1 : Bind: cache poisoning BIND 8 prior to 8.3.7 and BIND 8.4.x prior 8.4.2 Advisory number: CSSA-2003-SCO.33.1 Issue date: 2003 December 01 Cross reference: sr886768 fz528464 erg712479 CAN-2003-0914 ______________________________________________________________________________ 1. Problem Description UPDATED: Maintenance Pack 4 is now prerequisite. Previous releases required update pack 2. UnixWare 7.1.3 is unaffected by this issue because the version of bind included in UnixWare 7.1.3 is 9.2.1. Open UNIX is also unaffected by this issue because the version of bind in Open UNIX 8.0.0 is 9.1.0. CERT/CC Incident Note VU#734644 BIND is an implementation of the Domain Name System (DNS) protocols. Successful exploitation of this vulnerability may result in a temporary denial of service. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2003-0914 to this issue. 2. Vulnerable Supported Versions System Binaries ---------------------------------------------------------------------- UnixWare 7.1.1 /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-bootconf.pl /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 UnixWare 7.1.1 Maintenance Pack 4 is a prerequisite. 4.2 Location of Fixed Binaries ftp://ftp.sco.com/pub/updates/UnixWare/CSSA-2003-SCO.33 4.3 Verification MD5 (erg712479b.Z) = d81ecd04dccda1fc76ee41947c5593d3 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: 1. Download the erg712479b.Z file to the /tmp directory on your machine. 2. As root, uncompress the file and add the package to your system using these commands: $ su Password: <type your root password> # uncompress /tmp/erg712479b.Z # pkgadd -d /tmp/erg712479b # rm /tmp/erg712479b Alternatively, this SLS package may be installed in quiet mode, that is, without displaying the release notes and asking for confirmation. To do this, use these commands: $ su Password: <type your root password> # uncompress /tmp/erg712479b.Z # pkgadd -qd /tmp/erg712479b all # rm /tmp/erg712479b 3. There is no need to reboot the system after installing this package. Removal Instructions -------------------- 1. As root, remove the package using these commands: $ su Password: <type your root password> # pkgrm erg712479 2. There is no need to reboot the system after removing this package 5. References Specific references for this advisory: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0914 SCO security resources: http://www.sco.com/support/security/index.html This security fix closes SCO incidents sr886768 fz528464 erg712479. 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. ______________________________________________________________________________ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (SCO/UNIX_SVR5) iD8DBQE/2k6HaqoBO7ipriERAulKAJ970Yn6cCBykyEUmgkR8vipF+Px4QCeITe0 ce3Bm52qHDO4U7mXgae0BUs= =g6QA -----END PGP SIGNATURE-----
