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CVE-2020-15025

Date: June 24, 2020

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.

Severity Score

Related Resources (12)

https://support.ntp.org/bin/view/Main/NtpBug3661
https://support.ntp.org/bin/view/Main/SecurityNotice#June_2020_ntp_4_2_8p15_NTP_Relea
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-15025
https://bugs.gentoo.org/729458
https://security.netapp.com/advisory/ntap-20200702-0002/
https://nvd.nist.gov/vuln/detail/CVE-2020-15025
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html
https://security.gentoo.org/glsa/202007-12
https://security-tracker.debian.org/tracker/CVE-2020-15025
https://www.oracle.com/security-alerts/cpujan2021.html
https://www.mend.io/vulnerability-database/CVE-2020-15025

Severity Score

Weakness Type (CWE)

Missing Release of Memory after Effective Lifetime

CWE-401

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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