CVE-2021-44832
Publication date 28 December 2021
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
Apache Log4j2 versions 2.0-beta7 through 2.17.0 (excluding security fix releases 2.3.2 and 2.12.4) are vulnerable to a remote code execution (RCE) attack when a configuration uses a JDBC Appender with a JNDI LDAP data source URI when an attacker has control of the target LDAP server. This issue is fixed by limiting JNDI data source names to the java protocol in Log4j2 versions 2.17.1, 2.12.4, and 2.3.2.
Status
Package | Ubuntu Release | Status |
---|---|---|
apache-log4j2 | 24.04 LTS noble |
Needs evaluation
|
22.04 LTS jammy |
Not affected
|
|
20.04 LTS focal |
Fixed 2.17.1-0.20.04.1
|
|
18.04 LTS bionic |
Fixed 2.12.4-0ubuntu0.1
|
|
16.04 LTS xenial |
Vulnerable
|
|
14.04 LTS trusty | Not in release |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.6 · Medium |
Attack vector | Network |
Attack complexity | High |
Privileges required | High |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-5222-1
- Apache Log4j 2 vulnerabilities
- 11 January 2022