CVE-2015-3405 describes a weakness in the ntp-keygen utility within NTP versions 4.2.8px before 4.2.8p2-RC2 and 4.3.x before 4.3.12, specifically impacting big-endian systems. This vulnerability results in insufficient entropy when generating MD5 keys under specific conditions, affecting products like Debian, Fedora, and Red Hat. With a CVSS score of 7.5 (High), it presents a network-based attack vector with low complexity, allowing remote attackers to potentially brute-force and obtain the generated MD5 keys, leading to a high confidentiality impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.2.8CPE matchmatch criteria | cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:* | ||
4.2.8CPE matchmatch criteria | cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:* | ||
4.2.8CPE matchmatch criteria | cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:* | ||
4.3.0CPE matchmatch criteria | cpe:2.3:a:ntp:ntp:4.3.0:*:*:*:*:*:*:* | ||
4.3.1CPE matchmatch criteria | cpe:2.3:a:ntp:ntp:4.3.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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