CVE-2016-7428
Published: 13 January 2017
ntpd in NTP before 4.2.8p9 allows remote attackers to cause a denial of service (reject broadcast mode packets) via the poll interval in a broadcast packet.
Notes
| Author | Note |
|---|---|
| mdeslaur | ntp-4.2.8p6, up to but not including ntp-4.2.8p9, and ntp-4.3.90 up to, but not including ntp-4.3.94 introduced with CVE-2015-7973 patch |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
ntp Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
(1:4.2.8p9+dfsg-2ubuntu1)
|
| bionic |
Not vulnerable
(1:4.2.8p9+dfsg-2ubuntu1)
|
|
| cosmic |
Not vulnerable
(1:4.2.8p9+dfsg-2ubuntu1)
|
|
| precise |
Released
(1:4.2.6.p3+dfsg-1ubuntu3.12)
|
|
| trusty |
Released
(1:4.2.6.p5+dfsg-3ubuntu2.14.04.11)
|
|
| upstream |
Released
(1:4.2.8p9+dfsg-1)
|
|
| xenial |
Released
(1:4.2.8p4+dfsg-3ubuntu5.5)
|
|
| yakkety |
Released
(1:4.2.8p8+dfsg-1ubuntu2.1)
|
|
| zesty |
Not vulnerable
(1:4.2.8p9+dfsg-2ubuntu1)
|
|
|
Patches: upstream: http://bk1.ntp.org/ntp-stable/?PAGE=cset&REV=58087060DCRnphupdSD9lErtsIGR4w |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 4.3 |
| Attack vector | Adjacent |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | Low |
| Vector | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |