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CVE-2014-9294

ntp: ntp-keygen uses weak random number generator and seed when generating MD5 keys

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Severity

Moderate

Red Hat Product Security

4

CVSS 2.0

Review impact separately from score.

Published · December 19, 2014

Updated · June 27, 2026

Description

It was found that ntp-keygen used a weak method for generating MD5 keys. This could possibly allow an attacker to guess generated MD5 keys that could then be used to spoof an NTP client or server. Note: it is recommended to regenerate any MD5 keys that had explicitly been generated with ntp-keygen; the default installation does not contain such keys.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 4
AV:N/AC:H/Au:N/C:P/I:P/A:N

CWE-338 · Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)