A flaw was found in the way ntpd calculated the root delay. A remote attacker could send a specially-crafted spoofed packet to cause denial of service or in some special cases even crash.
Find out more about CVE-2016-7433 from the MITRE CVE dictionary dictionary and NIST NVD.
| Base Score | 1.2 |
|---|---|
| Base Metrics | AV:L/AC:H/Au:N/C:N/I:N/A:P |
| Access Vector | Local |
| Access Complexity | High |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
| CVSS3 Base Score | 2.9 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L |
| Attack Vector | Local |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | Low |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 6 (ntp) | RHSA-2017:0252 | 2017-02-06 |
| Red Hat Enterprise Linux 7 (ntp) | RHSA-2017:0252 | 2017-02-06 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 5 | ntp | Not affected |
Vulmon