high
7.4
CWE
330
Advisory Published
CVE Published
Updated

CVE-2020-13817

First published: Mon Mar 09 2020(Updated: )

NTP is vulnerable to a denial of service, caused by an issue when relying on unauthenticated IPv4 time sources in ntpd. By predicting transmit timestamps for use in spoofed packets, a remote attacker could exploit this vulnerability to cause the daemon to crash or system time change.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/ntp<4.2.8
4.2.8
redhat/ntp<4.3.100
4.3.100
IBM Security Access Manager<=9.0.7
IBM Security Verify Access OIDC Provider<=10.0.0
NTP<4.2.8
NTP>=4.3.0<4.3.100
NTP=4.2.8
NTP=4.2.8-p1
NTP=4.2.8-p1-beta1
NTP=4.2.8-p1-beta2
NTP=4.2.8-p1-beta3
NTP=4.2.8-p1-beta4
NTP=4.2.8-p1-beta5
NTP=4.2.8-p1-rc1
NTP=4.2.8-p1-rc2
NTP=4.2.8-p10
NTP=4.2.8-p11
NTP=4.2.8-p12
NTP=4.2.8-p13
NTP=4.2.8-p2
NTP=4.2.8-p2-rc1
NTP=4.2.8-p2-rc2
NTP=4.2.8-p2-rc3
NTP=4.2.8-p3
NTP=4.2.8-p3-rc1
NTP=4.2.8-p3-rc2
NTP=4.2.8-p3-rc3
NTP=4.2.8-p4
NTP=4.2.8-p5
NTP=4.2.8-p6
NTP=4.2.8-p7
NTP=4.2.8-p8
NTP=4.2.8-p9
NetApp Cloud Backup
IBM Data ONTAP
IBM Data ONTAP
NetApp Management Services for Element Software
NetApp SolidFire & HCI Management Node
NetApp ONTAP Tools for VMware vSphere
NetApp SolidFire & HCI Storage Node
NetApp SteelStore Cloud Integrated Storage
NetApp HCI Compute Node Firmware
NetApp HCI Compute Node
NetApp H410C
NetApp H410C Firmware
NetApp H300S Firmware
NetApp H300S Firmware
NetApp H500e Firmware
NetApp H500e Firmware
NetApp H700S
NetApp H700S
NetApp H300E
NetApp H300E Firmware
NetApp H500S Firmware
NetApp H500e Firmware
NetApp H700E
NetApp H700E
NetApp H410S
NetApp H410S Firmware
SUSE Linux=15.1
SUSE Linux=15.2
Oracle Fujitsu M10-1 Firmware<xcp2410
Oracle Fujitsu M10-1
Oracle Fujitsu M10-4 Firmware<xcp2410
Oracle Fujitsu M10-4
Oracle Fujitsu M10-4S Firmware<xcp2410
Fujitsu M10-4S
Oracle Fujitsu M12-1 Firmware<xcp2410
Oracle Fujitsu M12-1 Firmware
Oracle Fujitsu M12-2 Firmware<xcp2410
Fujitsu SPARC M12-2
Fujitsu SPARC M12-2S<xcp2410
Fujitsu SPARC M12-2S
Oracle Fujitsu M10-4 Firmware<xcp3110
Oracle Fujitsu M10-4S Firmware<xcp3110
Oracle Fujitsu M12-1 Firmware<xcp3110
Oracle Fujitsu M12-2 Firmware<xcp3110
Fujitsu SPARC M12-2S<xcp3110

Remedy

https://www.oracle.com/security-alerts/cpujan2022.html

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2020-13817?

    CVE-2020-13817 has a severity rating categorized as high due to its potential to cause a denial of service.

  • How do I fix CVE-2020-13817?

    To fix CVE-2020-13817, update to NTP versions 4.2.8 or 4.3.100 or later, which have patched the vulnerability.

  • Which systems are affected by CVE-2020-13817?

    CVE-2020-13817 affects specific versions of NTP, including versions below 4.2.8 and between 4.3.0 and 4.3.100.

  • What is the exploit method for CVE-2020-13817?

    The exploit method for CVE-2020-13817 involves remote attackers predicting transmit timestamps to send spoofed packets.

  • What impact does CVE-2020-13817 have on NTP services?

    The impact of CVE-2020-13817 includes the potential crashing of the NTP daemon and alteration of system time.

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