CVE-2020-15025

moderate-risk
Published 2020-06-24

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.

Do I need to act?

~
3.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.4/10 Medium
NETWORK / HIGH complexity

Affected Products (20)

Ntp
Ntp
Ntp
Ntp
Ntp
8300 Firmware
8700 Firmware
A400 Firmware

Affected Vendors

Oracle Ntp Netapp Opensuse

References (16)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html
Issue Tracking https://bugs.gentoo.org/729458
Third Party Advisory https://security.gentoo.org/glsa/202007-12
Third Party Advisory https://security.netapp.com/advisory/ntap-20200702-0002/
Vendor Advisory https://support.ntp.org/bin/view/Main/NtpBug3661
Release Notes https://support.ntp.org/bin/view/Main/SecurityNotice#June_2020_ntp_4_2_8p15_NTP_...
Patch https://www.oracle.com/security-alerts/cpujan2021.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html
Issue Tracking https://bugs.gentoo.org/729458
Third Party Advisory https://security.gentoo.org/glsa/202007-12
Third Party Advisory https://security.netapp.com/advisory/ntap-20200702-0002/
Vendor Advisory https://support.ntp.org/bin/view/Main/NtpBug3661
Release Notes https://support.ntp.org/bin/view/Main/SecurityNotice#June_2020_ntp_4_2_8p15_NTP_...
Patch https://www.oracle.com/security-alerts/cpujan2021.html
40
/ 100
moderate-risk
Severity 14/34 · Moderate
Exploitability 6/34 · Minimal
Exposure 20/34 · Moderate