CVE-2016-7434 describes a denial-of-service vulnerability in NTP before version 4.2.8p9, specifically affecting HPE HP-UX NTP and NTP products. This vulnerability allows remote attackers to crash the NTP daemon by sending a crafted mrulist query. With a CVSS score of 7.5 (HIGH), it presents a significant risk due to its network-based attack vector and low attack complexity, leading to a complete loss of availability. While not listed in CISA's KEV catalog, a public exploit (EDB-40806) exists, though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.3.0, < 4.3.94CPE matchmatch criteria | cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* | ||
4.2.7CPE matchmatch criteria | cpe:2.3:a:ntp:ntp:4.2.7:p100:*:*:*:*:*:* | ||
4.2.7CPE matchmatch criteria | cpe:2.3:a:ntp:ntp:4.2.7:p101:*:*:*:*:*:* | ||
4.2.7CPE matchmatch criteria | cpe:2.3:a:ntp:ntp:4.2.7:p102:*:*:*:*:*:* | ||
4.2.7CPE matchmatch criteria | cpe:2.3:a:ntp:ntp:4.2.7:p103:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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