CVE-2015-7855
Published: 22 October 2015
The decodenetnum function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (assertion failure) via a 6 or mode 7 packet containing a long data value.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
ntp Launchpad, Ubuntu, Debian |
precise |
Released
(1:4.2.6.p3+dfsg-1ubuntu3.6)
|
| trusty |
Released
(1:4.2.6.p5+dfsg-3ubuntu2.14.04.5)
|
|
| upstream |
Needs triage
|
|
| vivid |
Released
(1:4.2.6.p5+dfsg-3ubuntu6.2)
|
|
| wily |
Released
(1:4.2.6.p5+dfsg-3ubuntu8.1)
|
|
|
Patches: upstream: https://github.com/ntp-project/ntp/commit/ba716a464ecb20618560075f2e4e1051e5b6f24f |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |