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Debian LTS: Security Advisory for apache-log4j2 (DLA-2842-1)
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-2842-1 advisory.
Insight
Insight
Chen Zhaojun of Alibaba Cloud Security Team discovered that JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LDAP servers when message lookup substitution is enabled.
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 2.7-2+deb9u1. We recommend that you upgrade your apache-log4j2 packages.