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Sicherheit: Zwei Probleme in NTP
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Name: Zwei Probleme in NTP
ID: FEDORA-2015-1759
Distribution: Fedora
Plattformen: Fedora 20
Datum: So, 15. Februar 2015, 11:28
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9297
Applikationen: NTP


Name        : ntp
Product : Fedora 20
Version : 4.2.6p5
Release : 20.fc20
URL : http://www.ntp.org
Summary : The NTP daemon and utilities
Description :
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-2014-9297, CVE-2014-9298

* Thu Feb 5 2015 Miroslav Lichvar <mlichvar@redhat.com> 4.2.6p5-20
- validate lengths of values in extension fields (CVE-2014-9297)
- drop packets with spoofed source address ::1 (CVE-2014-9298)
* Fri Dec 19 2014 Miroslav Lichvar <mlichvar@redhat.com> 4.2.6p5-19
- don't generate weak control key for resolver (CVE-2014-9293)
- don't generate weak MD5 keys in ntp-keygen (CVE-2014-9294)
- fix buffer overflows via specially-crafted packets (CVE-2014-9295)
- don't mobilize passive association when authentication fails
* Mon Dec 9 2013 Miroslav Lichvar <mlichvar@redhat.com> 4.2.6p5-18
- fix calculation of root dispersion (#1037981)
- refresh peers on routing updates (#1028176)
- drop patch allowing -p and -u options to be used twice (#639101)
- remove unnecessary IPv6 restrict line from default ntp.conf
- replace hardening build flags with _hardened_build

[ 1 ] Bug #1184572 - CVE-2014-9298 ntp: drop packets with source address ::1
[ 2 ] Bug #1184573 - CVE-2014-9297 ntp: vallen in extension fields are not

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 http://docs.fedoraproject.org/yum/.

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
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