USN-5203-1

Source
https://ubuntu.com/security/notices/USN-5203-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5203-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5203-1
Related
Published
2021-12-19T17:39:38.583910Z
Modified
2021-12-19T17:39:38.583910Z
Summary
apache-log4j2 vulnerability
Details

Hideki Okamoto and Guy Lederfein discovered that Apache Log4j 2 did not protect against infinite recursion in lookup evaluation. A remote attacker could possibly use this issue to cause Apache Log4j 2 to crash, leading to a denial of service. Please see the following link for more information: https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/Log4Shell

References

Affected packages

Ubuntu:20.04:LTS / apache-log4j2

Package

Name
apache-log4j2
Purl
pkg:deb/ubuntu/apache-log4j2?arch=src?distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.17.0-0.20.04.1

Affected versions

2.*

2.11.1-2
2.11.2-1
2.15.0-0.20.04.1
2.16.0-0.20.04.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.17.0-0.20.04.1",
            "binary_name": "liblog4j2-java"
        },
        {
            "binary_version": "2.17.0-0.20.04.1",
            "binary_name": "liblog4j2-java-doc"
        }
    ]
}