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Debian LTS: Security Advisory for apache-log4j2 (DLA-2870-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'apache-log4j2' package(s) announced via the DLA-2870-1 advisory.
Insight
Insight
Apache Log4j2, a Java Logging Framework, is vulnerable to a remote code execution (RCE) attack where an attacker with permission to modify the logging configuration file can construct a malicious configuration using a JDBC Appender with a data source referencing a JNDI URI which can execute remote code. This issue is fixed by limiting JNDI data source names to the java protocol.
Affected Software
Affected Software
'apache-log4j2' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For Debian 9 stretch, this problem has been fixed in version 2.12.4-0+deb9u1. We recommend that you upgrade your apache-log4j2 packages.