A flaw was found in ntpd making it vulnerable to Sybil attacks. An authenticated attacker could target systems configured to use a trusted key in certain configurations and to create an arbitrary number of associations and subsequently modify a victim's clock.
Find out more about CVE-2018-7170 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
CVSS3 Base Score | 3.1 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N |
Attack Vector | Network |
Attack Complexity | High |
Privileges Required | Low |
User Interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity Impact | Low |
Availability Impact | None |
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | ntp | Affected |
Red Hat Enterprise Linux 6 | ntp | Affected |
Red Hat Enterprise Linux 5 | ntp | Will not fix |