RHSA-2017:1417: Important: rh-java-common-log4j security update
Log4j is a tool to help the programmer output log statements to a variety of output targets.Security Fix(es): It was found that when using remote logging with log4j socket server the log4j server would deserialize any log event received via TCP or UDP. An attacker could use this flaw to send a specially crafted log event that, during deserialization, would execute arbitrary code in the context of the logger application. (CVE-2017-5645)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2017:1417?
The severity of RHSA-2017:1417 is classified as important.
How do I fix RHSA-2017:1417?
To fix RHSA-2017:1417, upgrade to the version 1.2.17-15.15.el7 or 1.2.17-15.15.el6 of the affected packages.
What vulnerabilities are addressed by RHSA-2017:1417?
RHSA-2017:1417 addresses a vulnerability in log4j's handling of remote logging that could allow an attacker to execute code.
Which packages are affected by RHSA-2017:1417?
The affected packages include rh-java-common-log4j, rh-java-common-log4j-javadoc, and rh-java-common-log4j-manual across different versions.
Is there any workaround for RHSA-2017:1417 before applying a fix?
It is recommended to disable remote logging as a temporary workaround for RHSA-2017:1417.