Description
ntpd in ntp 4.2.8 before 4.2.8p15 and 4.3.x before 4.3.101 allows remote attackers to cause a denial of service (memory consumption) by sending packets, because memory is not freed in situations where a CMAC key is used and associated with a CMAC algorithm in the ntp.keys file.
Metrics
CVSS 3.1 4.9/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.htmlMailing List, Third Party Advisory
- https://bugs.gentoo.org/729458Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202007-12Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200702-0002/Third Party Advisory
- https://support.ntp.org/bin/view/Main/NtpBug3661Vendor Advisory
- https://support.ntp.org/bin/view/Main/SecurityNotice#June_2020_ntp_4_2_8p15_NTP_ReleaRelease Notes, Vendor Advisory
- https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.htmlMailing List, Third Party Advisory
- https://bugs.gentoo.org/729458Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202007-12Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200702-0002/Third Party Advisory
- https://support.ntp.org/bin/view/Main/NtpBug3661Vendor Advisory
- https://support.ntp.org/bin/view/Main/SecurityNotice#June_2020_ntp_4_2_8p15_NTP_ReleaRelease Notes, Vendor Advisory
- https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
Timeline
- Published
- Jun 24, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified