NTP before 4.2.8p9 allows remote attackers to bypass the origin timestamp protection mechanism via an origin timestamp of zero. NOTE: this vulnerability exists because of a CVE-2015-8138 regression.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-7431 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue did not affect the versions of ntp as shipped with Red Hat Enterprise Linux 5, 6 and 7.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
Base Score | 5 |
---|---|
Base Metrics | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Access Vector | Network |
Access Complexity | Low |
Authentication | None |
Confidentiality Impact | None |
Integrity Impact | Partial |
Availability Impact | None |
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
CVSS3 Base Score | 5.3 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Attack Vector | Network |
Attack Complexity | Low |
Privileges Required | None |
User Interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity Impact | Low |
Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | ntp | Not affected |
Red Hat Enterprise Linux 6 | ntp | Not affected |
Red Hat Enterprise Linux 5 | ntp | Not affected |