CVE-2015-7973
Published: 31 December 2015
NTP before 4.2.8p6 and 4.3.x before 4.3.90, when configured in broadcast mode, allows man-in-the-middle attackers to conduct replay attacks by sniffing the network.
Notes
| Author | Note |
|---|---|
| mdeslaur |
unfixed in debian and fedora |
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
(4.2.8p5)
|
|
| 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/f6a0225a9fc6ba82268d0d69a8a4eab788889262 upstream: https://github.com/ntp-project/ntp/commit/c801a6a5f84d7f385a42e0073c94b2e0664f8ad2 upstream: https://github.com/ntp-project/ntp/commit/50ef2f62dc326bc9edac166b2b4ba5b5d8b4f7d4 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | Low |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H |