CVE-2020-15025
Publication date 24 June 2020
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
ntp | 24.10 oracular | Not in release |
24.04 LTS noble | Not in release | |
22.04 LTS jammy |
Not affected
|
|
20.04 LTS focal |
Fixed 1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1
|
|
18.04 LTS bionic |
Not affected
|
|
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty |
Not affected
|
|
ntpsec | 24.10 oracular |
Not affected
|
24.04 LTS noble |
Not affected
|
|
22.04 LTS jammy |
Not affected
|
|
20.04 LTS focal |
Not affected
|
|
18.04 LTS bionic |
Not affected
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release |
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Get Ubuntu ProSeverity score breakdown
Parameter | Value |
---|---|
Base score | 4.9 · Medium |
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
Related Ubuntu Security Notices (USN)
- USN-5175-1
- NTP vulnerability
- 6 December 2021