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https://issues.apache.org/jira/browse/SOLR-15529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17398768#comment-17398768
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Cassandra Targett commented on SOLR-15529:
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CVE info link: https://nvd.nist.gov/vuln/detail/CVE-2021-33813
There is no JDOM release that yet contains the fix for this vulnerability, so
nothing can be done with this yet. See
https://github.com/hunterhacker/jdom/pull/188.
However, JDOM is only included in the Solr Cell contrib, which is not
recommended for production use. That makes it difficult to exploit - Solr Cell
shouldn't be enabled in any system that's public enough to get a DOS attack.
Additionally, Solr Cell uses Tika, which is why I think we have this
dependency, and Tika has analyzed its vulnerability to it and determined that
it's limited to two libraries: https://issues.apache.org/jira/browse/TIKA-3488
My point of view on this is that it's unexploitable in Solr and we should add
it to the list of CVEs that can be safely ignored at
https://cwiki.apache.org/confluence/display/SOLR/SolrSecurity#SolrSecurity-SolrandVulnerabilityScanningTools.
Maybe [~tallison], you could weigh in?
> High security vulnerability in JDOM library bundled within Solr 8.9
> CVE-2021-33813
> ----------------------------------------------------------------------------------
>
> Key: SOLR-15529
> URL: https://issues.apache.org/jira/browse/SOLR-15529
> Project: Solr
> Issue Type: Bug
> Affects Versions: 8.9
> Reporter: WCM RnD
> Priority: Critical
>
> High security vulnerability has been reported in the JDOM library bundled
> within SOLR 8.9:
> CVE-2021-33813
> *Affected Component(s):* JDOM
> *Vulnerability Published:* 2021-06-16 08:15 EDT
> *Vulnerability Updated:* 2021-06-21 18:21 EDT
> *CVSS Score:* {color:#FF0000}7.5{color} (overall), {color:#FF0000}7.5{color}
> (base)
> *Summary*: An XXE issue in SAXBuilder in JDOM through 2.0.6 allows attackers
> to cause a denial of service via a crafted HTTP request.
>
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