ntp-keygen in ntp 4.2.8px before 4.2.8p2-RC2 and 4.3.x before 4.3.12 does not generate MD5 keys with sufficient entropy on big endian…
redhat·CWE-331·Published 2017-08-09
ntp-keygen in ntp 4.2.8px before 4.2.8p2-RC2 and 4.3.x before 4.3.12 does not generate MD5 keys with sufficient entropy on big endian machines when the lowest order byte of the temp variable is between 0x20 and 0x7f and not #, which might allow remote attackers to obtain the value of generated MD5 keys via a brute force attack with the 93 possible keys.
ntp-keygen in ntp 4.2.8px before 4.2.8p2-RC2 and 4.3.x before 4.3.12 does not generate MD5 keys with sufficient entropy on big endian machines when the lowest order byte of the temp variable is between 0x20 and 0x7f and not #, which might allow remote attackers to obtain the value of generated MD5 keys via a brute force attack with the 93 possible keys.
ntp-keygen en ntp en versiones 4.2.8px anteriores a la 4.2.8p2-RC2 y en versiones 4.3.x anteriores a la 4.3.12 no genera claves MD5 con la suficiente entropía en máquinas big endian cuando el byte de menor orden de la variable temp se sitúa entre 0x20 y 0x7f y no #. Esto podría permitir que atacantes remotos obtengan el valor de las claves MD5 generadas mediante un ataque de fuerza bruta con las 93 claves posibles.
| Version | Type | Source | Base | Exp | Impact | Vector |
|---|---|---|---|---|---|---|
| 2.0 | Primary | NVD | 5.0 | 10.0 | 2.9 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| 3.0 | Primary | NVD | 7.5 | 3.9 | 3.6 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |