CVE-2015-7979
Published: 31 December 2015
NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (client-server association tear down) by sending broadcast packets with invalid authentication to a broadcast client.
Notes
| Author | Note |
|---|---|
| mdeslaur |
fedora has an alternate fix http://lists.ntp.org/pipermail/hackers/2016-January/007416.html |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
ntp
Launchpad, Ubuntu, Debian |
precise |
Released
(1:4.2.6.p3+dfsg-1ubuntu3.11)
|
| trusty |
Released
(1:4.2.6.p5+dfsg-3ubuntu2.14.04.10)
|
|
| upstream |
Released
(4.2.8p6)
|
|
| vivid |
Ignored
(end of life)
|
|
| wily |
Ignored
(end of life)
|
|
| xenial |
Released
(1:4.2.8p4+dfsg-3ubuntu5.3)
|
|
| yakkety |
Not vulnerable
(1:4.2.8p4+dfsg-3ubuntu6)
|
|
| zesty |
Not vulnerable
(1:4.2.8p4+dfsg-3ubuntu6)
|
|
|
Patches:
upstream: https://github.com/ntp-project/ntp/commit/fe46889f7baa75fc8e6c0fcde87706d396ce1461 vendor: http://pkgs.fedoraproject.org/cgit/rpms/ntp.git/tree/ntp-4.2.6p5-cve-2015-7979.patch |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |