CVE-2015-7691
7.5
HIGH
CVSS 3.1
EPSS 12.1%
Description
The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash) via crafted packets containing particular autokey operations. NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750.
How to fix CVE-2015-7691
To remediate CVE-2015-7691, upgrade the affected package to a fixed version below.
- Debian/ntp—upgrade to 1:4.2.8p4+dfsg-1 or later
Is CVE-2015-7691 being exploited?
Moderate — EPSS is 12.1%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 1:4.2.8p4+dfsg-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |