CVE-2020-15025
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network with an admin-level account. High risk of service disruption.
- Exploit odds
- 3.1% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 3.1% in the next 30 days (EPSS).
- Severity: 4.4 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 3.1% · EPSS, next 30 days
- Weakness
- CWE-401
- Record status
- Modified
Affected
- Ntp < 4.3.101
- Ntp 4.2.8
- Opensuse Leap 15.1
- Opensuse Leap 15.2
- Netapp Cloud Backup
- Netapp Steelstore Cloud Integrated Storage
- Netapp 8300 Firmware
- Netapp 8700 Firmware
Attack profile CVSS 3.1 · 4.4
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2020-15025.md and follow it. Check whether this project is affected by CVE-2020-15025. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://support.ntp.org/bin/view/Main/NtpBug3661
- https://support.ntp.org/bin/view/Main/SecurityNotice#June_2020_ntp_4_2_8p15_NTP_Relea
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://support.ntp.org/bin/view/Main/NtpBug3661
- https://support.ntp.org/bin/view/Main/SecurityNotice#June_2020_ntp_4_2_8p15_NTP_Relea
- https://www.oracle.com/security-alerts/cpujan2021.html
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html
- https://bugs.gentoo.org/729458
- https://security.gentoo.org/glsa/202007-12
- https://security.netapp.com/advisory/ntap-20200702-0002/
- https://support.ntp.org/bin/view/Main/NtpBug3661
- https://support.ntp.org/bin/view/Main/SecurityNotice#June_2020_ntp_4_2_8p15_NTP_Relea
- https://www.oracle.com/security-alerts/cpujan2021.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html
- https://bugs.gentoo.org/729458
- https://security.gentoo.org/glsa/202007-12
- https://security.netapp.com/advisory/ntap-20200702-0002/
- https://support.ntp.org/bin/view/Main/NtpBug3661
- https://support.ntp.org/bin/view/Main/SecurityNotice#June_2020_ntp_4_2_8p15_NTP_Relea
- https://www.oracle.com/security-alerts/cpujan2021.html