medium5.3
CVE-2016-2517
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 …
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Ntp | Ntp | through 4.2.8 Versions 4.3.0, 4.3.1, 4.3.2, 4.3.3, 4.3.4 |
Weakness classification
References
- NVD record
- CVE.org record
- http://support.ntp.org/bin/view/Main/NtpBug3010
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securityfocus.com/bid/88189
- http://www.securitytracker.com/id/1035705
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc
- https://security.gentoo.org/glsa/201607-15
- https://security.netapp.com/advisory/ntap-20171004-0002/
- https://www.kb.cert.org/vuls/id/718152
- http://support.ntp.org/bin/view/Main/NtpBug3010
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securityfocus.com/bid/88189
- http://www.securitytracker.com/id/1035705
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc
- https://security.gentoo.org/glsa/201607-15
- https://security.netapp.com/advisory/ntap-20171004-0002/
- https://www.kb.cert.org/vuls/id/718152