Описание
It was found that NTP's :config command could be used to set the pidfile and driftfile paths without any restrictions. A remote attacker could use this flaw to overwrite a file on the file system with a file containing the pid of the ntpd process (immediately) or the current estimated drift of the system clock (in hourly intervals).
Меры по смягчению последствий
Disable remote runtime configuration with ntpq or ntpdc. In the default NTP configuration on Red Hat Enterprise Linux, runtime configuration with ntpq or ntpdc is limited to localhost.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 5 | ntp | Will not fix | ||
| Red Hat Enterprise Linux 6 | ntp | Affected | ||
| Red Hat Enterprise Linux 7 | ntp | Fixed | RHSA-2016:2583 | 03.11.2016 |
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Дополнительная информация
Статус:
4 Medium
CVSS2
Связанные уязвимости
** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2015-7703. Reason: This candidate is a reservation duplicate of CVE-2015-7703. Notes: All CVE users should reference CVE-2015-7703 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.
Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2015-7703. Reason: This candidate is a reservation duplicate of CVE-2015-7703. Notes: All CVE users should reference CVE-2015-7703 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.
ELSA-2016-2583: ntp security and bug fix update (MODERATE)
4 Medium
CVSS2