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Slackware: 2008-205-01 Critical: dnsmasq DNS Cache Poisoning

New dnsmasq packages are available for Slackware 10.0, 10.1, 10.2, 11.0, 12.0, 12.1, and -current to address possible DNS cache poisoning issues. More details about this issue may be found in the Common Vulnerabilities and Exposures (CVE) database: . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 [slackware-security] dnsmasq (SSA:2008-205-01) New dnsmasq packages are available for Slackware 10.0, 10.1, 10.2, 11.0, 12.0, 12.1, and -current to address possible DNS cache poisoning issues. More details about this issue may be found in the Common Vulnerabilities and Exposures (CVE) database: https://www.cve.org/CVERecord?id=CVE-2008-1447 Here are the details from the Slackware 12.1 ChangeLog: +--------------------------+ patches/packages/dnsmasq-2.45-i486-1_slack12.1.tgz: Upgraded to dnsmasq-2.45. It was discovered that earlier versions of dnsmasq have DNS cache weaknesses that are similar to the ones recently discovered in BIND. This new release minimizes the risk of cache poisoning. For more information, see: https://www.cve.org/CVERecord?id=CVE-2008-1447 (* Security fix *) +--------------------------+ Where to find the new packages: +-----------------------------+ HINT: Getting slow download speeds from ftp.slackware.com? Give slackware.osuosl.org a try. This is another primary FTP site for Slackware that can be considerably faster than downloading directly from ftp.slackware.com. Thanks to the friendly folks at the OSU Open Source Lab (https://osuosl.org/) for donating additional FTP and rsync hosting to the Slackware project! :-) Also see the "Get Slack" section on http://www.slackware.com/ for additional mirror sites near you. Updated package for Slackware 10.0: ftp://ftp.slackware.com/pub/slackware/slackware-10.0/patches/packages/dnsmasq-2.45-i486-1_slack10.0.tgz Updated package for Slackware 10.1: ftp://ftp.slackware.com/pub/slackware/slackware-10.1/patches/packages/dnsmasq-2.45-i486-1_slack10.1.tgz Updated package for Slackware10.2: ftp://ftp.slackware.com/pub/slackware/slackware-10.2/patches/packages/dnsmasq-2.45-i486-1_slack10.2.tgz Updated package for Slackware 11.0: ftp://ftp.slackware.com/pub/slackware/slackware-11.0/patches/packages/dnsmasq-2.45-i486-1_slack11.0.tgz Updated package for Slackware 12.0: ftp://ftp.slackware.com/pub/slackware/slackware-12.0/patches/packages/dnsmasq-2.45-i486-1_slack12.0.tgz Updated package for Slackware 12.1: ftp://ftp.slackware.com/pub/slackware/slackware-12.1/patches/packages/dnsmasq-2.45-i486-1_slack12.1.tgz Updated package for Slackware -current: MD5 signatures: +-------------+ Slackware 10.0 package: e1f567c3679e23ab3f80a86cec1343c4 dnsmasq-2.45-i486-1_slack10.0.tgz Slackware 10.1 package: aabb7b9b872654b9b663014d49ba37c1 dnsmasq-2.45-i486-1_slack10.1.tgz Slackware 10.2 package: 41c8042baabfdbdeb7b59f2fd48cbc08 dnsmasq-2.45-i486-1_slack10.2.tgz Slackware 11.0 package: fab50ae940bde92eabba0c062908ef42 dnsmasq-2.45-i486-1_slack11.0.tgz Slackware 12.0 package: b8e850a726270c0d7e305a7c6523ede4 dnsmasq-2.45-i486-1_slack12.0.tgz Slackware 12.1 package: 1c61011340f57e4179c788f3f0127dc0 dnsmasq-2.45-i486-1_slack12.1.tgz Slackware -current package: 11fe1505a7177ec1a1c84a1b259b9c03 dnsmasq-2.45-i486-1.tgz Installation instructions: +------------------------+ Upgrade the packages as root: # upgradepkg dnsmasq-2.45-i486-1_slack12.1.tgz Restart dnsmasq: # sh /etc/rc.d/rc.dnsmasq restart +-----+ . Slackware has released critical patch updates for dnsmasq packages, addressing security vulnerabilities tied to DNS cache poisoning. More details are available.. dnsmasq Update, Slackware DNS Security, Cache Poisoning Fix. . Severity: Critical. LinuxSecurity.com Team

Jul 24, 2008 •Critical Slackware