CVE-2020-15025
Published: 24 June 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.
Priority
Status
Package | Release | Status |
---|---|---|
ntp Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
eoan |
Ignored
(end of life)
|
|
trusty |
Not vulnerable
(code not present)
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
(code not present)
|
|
groovy |
Ignored
(end of life)
|
|
jammy |
Not vulnerable
(1:4.2.8p15+dfsg-1ubuntu1)
|
|
impish |
Ignored
(end of life)
|
|
kinetic |
Does not exist
|
|
focal |
Released
(1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1)
Available with Ubuntu Pro |
|
hirsute |
Ignored
(end of life)
|
|
lunar |
Does not exist
|
|
mantic |
Does not exist
|
|
ntpsec Launchpad, Ubuntu, Debian |
impish |
Not vulnerable
(code not present)
|
groovy |
Not vulnerable
(code not present)
|
|
kinetic |
Not vulnerable
(code not present)
|
|
bionic |
Not vulnerable
(code not present)
|
|
eoan |
Not vulnerable
(code not present)
|
|
focal |
Not vulnerable
(code not present)
|
|
hirsute |
Not vulnerable
(code not present)
|
|
jammy |
Not vulnerable
(code not present)
|
|
lunar |
Not vulnerable
(code not present)
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(debian: Vulnerable code not present)
|
|
xenial |
Does not exist
|
|
mantic |
Not vulnerable
(code not present)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 4.9 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | High |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15025
- 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://bugs.ntp.org/show_bug.cgi?id=3661
- https://bugs.gentoo.org/729458
- https://ubuntu.com/security/notices/USN-5175-1
- NVD
- Launchpad
- Debian