6.5med
CVE-2016-1549
A malicious authenticated peer can create arbitrarily-many ephemeral associations in order to win the clock selection algorithm in ntpd in…
Published 9 y ago · modified 4 mo ago · JSON
CVSS
6.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.1%
percentile 88%
Public exploits
0
none known
Summary
A malicious authenticated peer can create arbitrarily-many ephemeral associations in order to win the clock selection algorithm in ntpd in NTP 4.2.8p4 and earlier and NTPsec 3e160db8dc248a0bcb053b56a80167dc742d2b74 and a5fb34b9cc89b92a8fef2f459004865c93bb7f92 and modify a victim's clock.
Exploit prediction (EPSS)
3.12% probability of exploitation in the next 30 days, higher than 88% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N |
Affected products
- NTP Project NTP
- NTPsec Project NTPSec
Classification
- Weakness
- CWE-19 Data Processing Errors
References
- talosintelligence.com /reports/TALOS-2016-0083/ · x_refsource_MISC, x_transferred
- securityfocus.com /bid/88200 · vdb-entry, x_refsource_BID, x_transferred
- securitytracker.com /id/1035705 · vdb-entry, x_refsource_SECTRACK, x_transferred
- oracle.com /technetwork/topics/security/bulletinapr2016-2952098.html · x_refsource_CONFIRM, x_transferred
- security.netapp.com /advisory/ntap-20171004-0002/ · x_refsource_CONFIRM, x_transferred
- security.freebsd.org /advisories/FreeBSD-SA-16:16.ntp.asc · vendor-advisory, x_refsource_FREEBSD, x_transferred
- synology.com /support/security/Synology_SA_18_13 · x_refsource_CONFIRM, x_transferred
- security.gentoo.org /glsa/201607-15 · vendor-advisory, x_refsource_GENTOO, x_transferred
- support.hpe.com /hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us · x_refsource_CONFIRM, x_transferred
Sources
- CVE List: CVE-2016-1549
- NVD: CVE-2016-1549
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