QID 980889

QID 980889: Java (maven) Security Update for org.apache.solr:solr-core (GHSA-rc9v-h28f-jcmf)

This vulnerability in Apache Solr 6.0.0 to 6.6.3, 7.0.0 to 7.3.0 relates to an XML external entity expansion (XXE) in Solr config files (solrconfig.xml, schema.xml, managed-schema). In addition, Xinclude functionality provided in these config files is also affected in a similar way. The vulnerability can be used as XXE using file/ftp/http protocols in order to read arbitrary local files from the Solr server or the internal network. Users are advised to upgrade to either Solr 6.6.4 or Solr 7.3.1 releases both of which address the vulnerability. Once upgrade is complete, no other steps are required. Those releases only allow external entities and Xincludes that refer to local files / zookeeper resources below the Solr instance directory (using Solr's ResourceLoader); usage of absolute URLs is denied. Keep in mind, that external entities and XInclude are explicitly supported to better structure config files in large installations. Before Solr 6 this was no problem, as config files were not accessible through the APIs.

Successful exploitation of this vulnerability may affect the confidentiality, integrity, and availability of the targeted user.

CVSS V3 rated as Medium - 5.5 severity.

CVSS V2 rated as Low - 2.1 severity.

Solution

Customers are advised to refer to GHSA-rc9v-h28f-jcmf for updates pertaining to this vulnerability.

Vendor References

GHSA-rc9v-h28f-jcmf - github.com/advisories/GHSA-rc9v-h28f-jcmf

CVEs related to QID 980889

CVE-2018-8010 |

Software Advisories

Advisory ID	Software	Component	Link
GHSA-rc9v-h28f-jcmf	org.apache.solr:solr-core		github.com/advisories/GHSA-rc9v-h28f-jcmf

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