CVE-2015-8138
Published: 31 December 2015
NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to bypass the origin timestamp validation via a packet with an origin timestamp set to zero.
Notes
| Author | Note |
|---|---|
| mdeslaur |
fix may be incomplete because of fix for CVE-2015-7704 http://lists.ntp.org/pipermail/hackers/2016-January/007406.html http://lists.ntp.org/pipermail/hackers/2016-January/007416.html Ubuntu and Debian use Fedora's fix for CVE-2015-7704, so this one isn't incomplete. |
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/880191b72409a1965712999d248d70e6f7163af8 vendor: http://pkgs.fedoraproject.org/cgit/rpms/ntp.git/tree/ntp-4.2.6p5-cve-2015-8138.patch |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.3 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
References
- http://www.talosintel.com/reports/TALOS-2016-0077/
- http://lists.ntp.org/pipermail/hackers/2016-January/007406.html
- http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security
- https://ubuntu.com/security/notices/USN-3096-1
- https://www.cve.org/CVERecord?id=CVE-2015-8138
- NVD
- Launchpad
- Debian