CVE-2020-9488
Published: 27 April 2020
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
Priority
Status
| Package | Release | Status |
|---|---|---|
|
apache-log4j2 Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| eoan |
Ignored
(end of life)
|
|
| focal |
Released
(2.16.0-0.20.04.1)
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Not vulnerable
(2.13.3-1)
|
|
| impish |
Not vulnerable
(2.13.3-1)
|
|
| jammy |
Not vulnerable
(2.13.3-1)
|
|
| kinetic |
Not vulnerable
(2.13.3-1)
|
|
| lunar |
Not vulnerable
(2.13.3-1)
|
|
| mantic |
Not vulnerable
(2.13.3-1)
|
|
| noble |
Not vulnerable
(2.13.3-1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(2.13.2)
|
|
| xenial |
Ignored
(end of standard support, was needs-triage)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 3.7 |
| 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
- 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
- NVD
- Launchpad
- Debian