CVE-2016-2517
CVE-2016-2517
This page contains facts from public vulnerability sources. Check the original advisory before updating.
NTP before 4.2.8p7 and 4.3.x before 4.3.92 allows remote attackers to cause a denial of service (prevent subsequent authentication) by leveraging knowledge of the controlkey or requestkey and sending a crafted packet to ntpd, which changes the value of trustedkey, controlkey, or requestkey. NOTE: this vulnerability exists because of a CVE-2016-2516 regression.
CVSS 5.3 · Medium · EPSS 8.8% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
ntp Debian:11
- Affected ranges
- ECOSYSTEM: < 1:4.2.8p7+dfsg-1
Update to 1:4.2.8p7+dfsg-1
ntp Ubuntu:Pro:14.04:LTS
- Versions
- 1:4.2.6.p5+dfsg-3ubuntu2
- 1:4.2.6.p5+dfsg-3ubuntu2.14.04.1
- 1:4.2.6.p5+dfsg-3ubuntu2.14.04.2
- 1:4.2.6.p5+dfsg-3ubuntu2.14.04.3
- 1:4.2.6.p5+dfsg-3ubuntu2.14.04.5
- 1:4.2.6.p5+dfsg-3ubuntu2.14.04.6
- 1:4.2.6.p5+dfsg-3ubuntu2.14.04.7
- 1:4.2.6.p5+dfsg-3ubuntu2.14.04.8
- 1:4.2.6.p5+dfsg-3ubuntu2.14.04.10
- 1:4.2.6.p5+dfsg-3ubuntu2.14.04.11
- 1:4.2.6.p5+dfsg-3ubuntu2.14.04.12
- 1:4.2.6.p5+dfsg-3ubuntu2.14.04.13
- 1:4.2.6.p5+dfsg-3ubuntu2.14.04.13+esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
ntp Ubuntu:16.04:LTS
- Versions
- 1:4.2.6.p5+dfsg-3ubuntu8
- 1:4.2.6.p5+dfsg-3ubuntu8.1
- 1:4.2.6.p5+dfsg-3ubuntu9
- 1:4.2.8p4+dfsg-3ubuntu1
- 1:4.2.8p4+dfsg-3ubuntu2
- 1:4.2.8p4+dfsg-3ubuntu3
- 1:4.2.8p4+dfsg-3ubuntu4
- 1:4.2.8p4+dfsg-3ubuntu5
- 1:4.2.8p4+dfsg-3ubuntu5.1
- 1:4.2.8p4+dfsg-3ubuntu5.2
- 1:4.2.8p4+dfsg-3ubuntu5.3
- 1:4.2.8p4+dfsg-3ubuntu5.4
- 1:4.2.8p4+dfsg-3ubuntu5.5
- 1:4.2.8p4+dfsg-3ubuntu5.6
- 1:4.2.8p4+dfsg-3ubuntu5.7
- 1:4.2.8p4+dfsg-3ubuntu5.8
- 1:4.2.8p4+dfsg-3ubuntu5.9
- 1:4.2.8p4+dfsg-3ubuntu5.10
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- http://support.ntp.org/bin/view/Main/NtpBug3010
- http://www.securityfocus.com/bid/88189
- https://www.kb.cert.org/vuls/id/718152
- http://www.securitytracker.com/id/1035705
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- https://security.netapp.com/advisory/ntap-20171004-0002/
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc
- https://security.gentoo.org/glsa/201607-15
- https://nvd.nist.gov/vuln/detail/CVE-2016-2517