Fedora 22: 2015-5761 Critical: NTP DoS Fix for CVE-2015-1799
fedora
April 22, 2015
Security fix for CVE-2015-1799, CVE-2015-1798, #1210324
Summary
The Network Time Protocol (NTP) is used to synchronize a computer's
time with another reference time source. This package includes ntpd
(a daemon which continuously adjusts system time) and utilities used
to query and configure the ntpd daemon.
Perl scripts ntp-wait and ntptrace are in the ntp-perl package,
ntpdate is in the ntpdate package and sntp is in the sntp package.
The documentation is in the ntp-doc package.
Update Information:
Security fix for CVE-2015-1799, CVE-2015-1798, #1210324
Topics Covered
Change Log
References
[ 1 ] Bug #1199435 - CVE-2015-1799 ntp: authentication doesn't protect symmetric associations against DoS attacks
https://bugzilla.redhat.com/show_bug.cgi?id=1199435
[ 2 ] Bug #1199430 - CVE-2015-1798 ntp: ntpd accepts unauthenticated packets with symmetric key crypto
https://bugzilla.redhat.com/show_bug.cgi?id=1199430
[ 3 ] Bug #1210324 - ntp: ntp-keygen may generate non-random symmetric keys on big-endian systems
https://bugzilla.redhat.com/show_bug.cgi?id=1210324
Update Instructions
This update can be installed with the "yum" update program. Use su -c 'yum update ntp' at the command line. For more information, refer to "Managing Software with yum", available at .
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Name: ntp
Product: Fedora 22
Version: 4.2.6p5
Release: 30.fc22
URL: http://www.ntp.org
Summary: The NTP daemon and utilities
Topics Covered
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