CVE-2016-6301
Published: 9 December 2016
The recv_and_process_client_pkt function in networking/ntpd.c in busybox allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged NTP packet, which triggers a communication loop.
Notes
| Author | Note |
|---|---|
| sbeattie | ntp server not built in ubuntu/debian busybox packages. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
busybox Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(code not built)
|
| trusty |
Not vulnerable
(code not built)
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code not built)
|
|
|
Patches: upstream: https://git.busybox.net/busybox/commit/?id=150dc7a2b483b8338a3e185c478b4b23ee884e71 |
||
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 |