Fedora 22: 2015-5748 Moderate: Chrony DoS Attack Security Fix
fedora
April 22, 2015
Security fix for CVE-2015-1853, CVE-2015-1821, CVE-2015-1822
Summary
A client/server for the Network Time Protocol, this program keeps your
computer's clock accurate. It was specially designed to support
systems with intermittent internet connections, but it also works well
in permanently connected environments. It can use also hardware reference
clocks, system real-time clock or manual input as time references.
Update Information:
Security fix for CVE-2015-1853, CVE-2015-1821, CVE-2015-1822
Topics Covered
Change Log
References
[ 1 ] Bug #1209572 - CVE-2015-1853 chrony: authentication doesn't protect symmetric associations against DoS attacks
https://bugzilla.redhat.com/show_bug.cgi?id=1209572
[ 2 ] Bug #1209631 - CVE-2015-1821 chrony: Heap out of bound write in address filter
https://bugzilla.redhat.com/show_bug.cgi?id=1209631
[ 3 ] Bug #1209632 - CVE-2015-1822 chrony: uninitialized pointer in cmdmon reply slots
https://bugzilla.redhat.com/show_bug.cgi?id=1209632
Update Instructions
This update can be installed with the "yum" update program. Use su -c 'yum update chrony' at the command line. For more information, refer to "Managing Software with yum", available at .
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Severity
important
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Critical
Name: chrony
Product: Fedora 22
Version: 2.0
Release: 0.3.pre2.fc22
URL: Summary : An NTP client/server
Topics Covered
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