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Slackware 14.1: 2015-111-08 Moderate: Ntp Authentication DoS Issue

slackware
Calendar Grey April 22, 2015
Scroller Slackware
Recent ntp updates resolve moderate severity vulnerabilities related to authentication across various Slackware releases.
New ntp packages are available for Slackware 13.0, 13.1, 13.37, 14.0, 14.1, and -current to fix security issues

Summary

Here are the details from the Slackware 14.1 ChangeLog: patches/packages/ntp-4.2.8p2-i486-1_slack14.1.txz: Upgraded. In addition to bug fixes and enhancements, this release fixes the following medium-severity vulnerabilities involving private key authentication: * ntpd accepts unauthenticated packets with symmetric key crypto. * Authentication doesn't protect symmetric associations against DoS attacks. For more information, see: https://www.cve.org/CVERecord?id=CVE-2015-1798 https://www.cve.org/CVERecord?id=CVE-2015-1799 (* Security fix *)

Topics%20covered

Topics Covered

security advisory moderate update DoS slackware authentication ntp

Where Find New Packages

Thanks to the friendly folks at the OSU Open Source Lab (https://osuosl.org/) for donating 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 13.0:
Updated package for Slackware x86_64 13.0:
Updated package for Slackware 13.1:
Updated package for Slackware x86_64 13.1:
Updated package for Slackware 13.37:
Updated package for Slackware x86_64 13.37:
Updated package for Slackware 14.0:
Updated package for Slackware x86_64 14.0:
Updated package for Slackware 14.1:
Updated package for Slackware x86_64 14.1:
Updated package for Slackware -current:
Updated package for Slackware x86_64 -current:

MD5 Signatures

Slackware 13.0 package: 570bb3e4bb7b065101fa4963e757d7e7 ntp-4.2.8p2-i486-1_slack13.0.txz
Slackware x86_64 13.0 package: e6add42a70a66496be2d4978370c2799 ntp-4.2.8p2-x86_64-1_slack13.0.txz
Slackware 13.1 package: 99f1cfa5e23a256d840ed0a56b7f9400 ntp-4.2.8p2-i486-1_slack13.1.txz
Slackware x86_64 13.1 package: 0a6622196521e084d36cda13fc6da824 ntp-4.2.8p2-x86_64-1_slack13.1.txz
Slackware 13.37 package: 28cfe042c585cf036582ce5f0c2daadf ntp-4.2.8p2-i486-1_slack13.37.txz
Slackware x86_64 13.37 package: c436da55cd2d113142410a9d982c5ac5 ntp-4.2.8p2-x86_64-1_slack13.37.txz
Slackware 14.0 package: cf69f8ecb5e4c1902dfb22d0f9685278 ntp-4.2.8p2-i486-1_slack14.0.txz
Slackware x86_64 14.0 package: 9c8344ec56d5d2335fd7370e2f9cf639 ntp-4.2.8p2-x86_64-1_slack14.0.txz
Slackware 14.1 package: 9dcf0eafa851ad018f8341c2fb9307b5 ntp-4.2.8p2-i486-1_slack14.1.txz
Slackware x86_64 14.1 package: e0c063f4e46a72ec86012a46299a46df ntp-4.2.8p2-x86_64-1_slack14.1.txz
Slackware -current package: 5f72de16e3bb6cd216e7694a49671cee n/ntp-4.2.8p2-i486-1.txz
Slackware x86_64 -current package: 1ba531770e4a2ae6e8e7116aaa26523e n/ntp-4.2.8p2-x86_64-1.txz

Topics%20covered

Topics Covered

security advisory moderate update DoS slackware authentication ntp

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Installation Instructions

Installation instructions: Upgrade the package as root: # upgradepkg ntp-4.2.8p2-i486-1_slack14.1.txz Then, restart the NTP daemon: # sh /etc/rc.d/rc.ntpd restart