CVE-2020-9488
Publication date 27 April 2020
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
Improper validation of certificate with host mismatch in Apache Log4j SMTP appender. This could allow an SMTPS connection to be intercepted by a man-in-the-middle attack which could leak any log messages sent through that appender. Fixed in Apache Log4j 2.12.3 and 2.13.1
Status
Package | Ubuntu Release | Status |
---|---|---|
apache-log4j2 | 24.10 oracular |
Not affected
|
24.04 LTS noble |
Not affected
|
|
22.04 LTS jammy |
Not affected
|
|
20.04 LTS focal |
Fixed 2.16.0-0.20.04.1
|
|
18.04 LTS bionic |
Needs evaluation
|
|
16.04 LTS xenial | Ignored end of standard support, was needs-triage | |
14.04 LTS trusty | Not in release |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 3.7 · Low |
Attack vector | Network |
Attack complexity | High |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | Low |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
References
Other references
- https://www.openwall.com/lists/oss-security/2020/04/25/1
- https://issues.apache.org/jira/browse/LOG4J2-2819
- https://gitbox.apache.org/repos/asf?p=logging-log4j2.git;h=6851b5083ef9610bae320bf07e1f24d2aa08851b (release-2.x)
- https://gitbox.apache.org/repos/asf?p=logging-log4j2.git;h=fb91a3d71e2f3dadad6fd1beb2ab857f44fe8bbb (master)
- https://www.cve.org/CVERecord?id=CVE-2020-9488