Medium severity · published Jan 6, 2017
CVE-2016-1550
An exploitable vulnerability exists in the message authentication functionality of libntp in ntp 4.2.8p4 and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92
5.3
CVSS
3.6%
EPSS
No
On KEV
Description
An exploitable vulnerability exists in the message authentication functionality of libntp in ntp 4.2.8p4 and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92. An attacker can send a series of crafted messages to attempt to recover the message digest key.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NT
Ntp · Ntp
4.2.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-1550
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-1550
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183647.html
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184669.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html
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