CVE-2018-7170
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
ntpd in ntp 4.2.x before 4.2.8p7 and 4.3.x before 4.3.92 allows authenticated users that know the private symmetric key to create arbitrarily-many ephemeral associations in order to win the clock selection of ntpd and modify a victim's clock via a Sybil attack. This issue exists because of an incomplete fix for CVE-2016-1549.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-7170
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-7170.html
Vendor advisory: arch — https://security.archlinux.org/ASA-201803-11
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 4.2.8.p11-1 | |
| sles | affected | | |
| debian | bullseye | fixed | 1:4.2.8p11+dfsg-1 |
| debian | bookworm | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
References
Verify integrity in audit chain (admin only). AS-IS.