CVE-2020-15025

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.

CVSS v3.0 4.9 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.9^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://bugs.gentoo.org/729458	Issue Tracking Third Party Advisory
https://support.ntp.org/bin/view/Main/NtpBug3661	Vendor Advisory
https://support.ntp.org/bin/view/Main/SecurityNotice#June_2020_ntp_4_2_8p15_NTP_Relea	Release Notes Vendor Advisory
https://security.netapp.com/advisory/ntap-20200702-0002/
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html
https://security.gentoo.org/glsa/202007-12
https://www.oracle.com/security-alerts/cpujan2021.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ntp:ntp:4.2.8:p11::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p12::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p13::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p14::::::
	cpe:2.3:a:ntp:ntp::::::::

Information

Published : 2020-06-24 19:15

Updated : 2021-01-20 15:15

NVD link : CVE-2020-15025

Mitre link : CVE-2020-15025

JSON object : View

Products Affected

ntp

ntp

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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