A flaw was found in the way NTP verified trusted keys during symmetric key authentication. An authenticated client (A) could use this flaw to modify a packet sent between a server (B) and a client (C) using a key that is different from the one known to the client (A).
Find out more about CVE-2015-7974 from the MITRE CVE dictionary dictionary and NIST NVD.
Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
| Base Score | 3.6 |
|---|---|
| Base Metrics | AV:N/AC:H/Au:S/C:N/I:P/A:P |
| Access Vector | Network |
| Access Complexity | High |
| Authentication | Single |
| Confidentiality Impact | None |
| Integrity Impact | Partial |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 7 (ntp) | RHSA-2016:2583 | 2016-11-03 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 6 | ntp | Will not fix |
| Red Hat Enterprise Linux 5 | ntp | Will not fix |
Vulmon