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https://issues.apache.org/jira/browse/LOG4J2-3230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17462707#comment-17462707
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Peter Malone commented on LOG4J2-3230:
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[~ggregory] Understood, however there are organizations out there that deleted
*JndiLookup.class* as a mitigation while they work on upgrading, and I'm trying
to ensure that that proposed mitigation mitigates them for this CVE as well
while they work on the permanent fix of upgrading to 2.17.0.
In an ideal world everyone can just upgrade to the latest, but there's nuance
involved and it's a fair question to ask if the proposed mitigation covers them
for this vulnerability while they work on upgrading.
> Certain strings can cause infinite recursion
> --------------------------------------------
>
> Key: LOG4J2-3230
> URL: https://issues.apache.org/jira/browse/LOG4J2-3230
> Project: Log4j 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.8, 2.8.1, 2.8.2, 2.9.0, 2.9.1, 2.10.0, 2.11.0, 2.11.1,
> 2.11.2, 2.12.0, 2.12.1, 2.13.0, 2.13.1, 2.13.2, 2.14.0, 2.13.3, 2.14.1,
> 2.15.0, 2.16.0
> Reporter: Ross Cohen
> Assignee: Carter Kozak
> Priority: Major
> Fix For: 2.17.0
>
> Attachments: sample.tar.gz
>
>
> If a string substitution is attempted for any reason on the following string,
> it will trigger an infinite recursion, and the application will crash:
> ${${::\-${::\-$${::\-j}}}}.
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