The follwing flaw was found in NTP: An exploitable vulnerability exists in the message authentication functionality of Network Time Protocol libntp. An attacker can send a series of crafted messages to attempt to recover the message digest key. Upstream bugs: http://support.ntp.org/bin/view/Main/NtpBug2879 External References: http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security http://www.talosintel.com/reports/TALOS-2016-0084/
Created ntp tracking bugs for this issue: Affects: fedora-all [bug 1332160]
ntp-4.2.6p5-40.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.
ntp-4.2.6p5-40.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
ntp-4.2.6p5-40.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Red Hat Enterprise Linux 6 Via RHSA-2016:1141 https://access.redhat.com/errata/RHSA-2016:1141
This issue has been addressed in the following products: Red Hat Enterprise Linux 6.7 Extended Update Support Via RHSA-2016:1552 https://rhn.redhat.com/errata/RHSA-2016-1552.html