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Mark J. Cox commented on LOG4J2-3214: ------------------------------------- Note CVE-2021-4104 is for log4j 1.x now; please can you quote it on the updated page. > Update security page text for CVE-2021-44228 > -------------------------------------------- > > Key: LOG4J2-3214 > URL: https://issues.apache.org/jira/browse/LOG4J2-3214 > Project: Log4j 2 > Issue Type: Documentation > Affects Versions: 2.15.0 > Reporter: Remko Popma > Priority: Major > Fix For: 2.16.0 > > > I propose to update the text for the mitigation section of CVE-2021-44228 on > [https://logging.apache.org/log4j/2.x/security.html] > Changes: add Log4j 1.x section, and format the Log4j 2.x section as a bullet > point list for improved readability. > ---- > {*}Log4j 1.x mitigation{*}: Audit your logging configuration to ensure it has > no {{JMSAppender}} configured. Log4j 1.x configurations without JMSAppender > are not impacted by this vulnerability. > {*}Log4j 2.x mitigation{*}: Implement one of the mitigation techniques below. > * Upgrade to release 2.15.0 or later > * For releases >= 2.10, > ** set system property {{log4j2.formatMsgNoLookups}} to {{true}} (see > [https://logging.apache.org/log4j/2.x/manual/configuration.html#SystemProperties]) > ** or set environment variable {{LOG4J_FORMAT_MSG_NO_LOOKUPS}} to {{true}} > (see > [https://logging.apache.org/log4j/2.x/manual/configuration.html#SystemProperties]). > * For releases >= 2.7 and <= 2.14.1, modify your logging configuration to > disable message lookups: > ** use {{{}%m{nolookups{}}}} instead of just {{%m}} > ** use {{{}%msg{nolookups{}}}} instead of just {{%msg}} > ** use {{{}%message{nolookups{}}}} instead of just {{%message}} > * For releases >= 2.0-beta9 and < 2.7, the only mitigation is to remove the > {{JndiLookup}} class from the classpath: {{zip {-}q -d log4j-core{-}*.jar > org/apache/logging/log4j/core/lookup/JndiLookup.class}} -- This message was sent by Atlassian Jira (v8.20.1#820001)