CVE-2018-8026

Public Exploit

Description

This vulnerability in Apache Solr 6.0.0 to 6.6.4 and 7.0.0 to 7.3.1 relates to an XML external entity expansion (XXE) in Solr config files (currency.xml, enumsConfig.xml referred from schema.xml, TIKA parsecontext config file). 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. The manipulated files can be uploaded as configsets using Solr's API, allowing to exploit that vulnerability.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 8.56% Top 10%
Vendor Advisory apache.org Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Solr
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/104690 vdb entry third party advisory
https://issues.apache.org/jira/browse/SOLR-12450 issue tracking exploit vendor advisory
https://security.netapp.com/advisory/ntap-20190307-0002/ third party advisory
https://mail-archives.apache.org/mod_mbox/lucene-solr-user/201807.mbox/%3C0cdc01d413b7%24f97ba580%24ec72f080%24%40apache.org%3E mailing list vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-8026?
CVE-2018-8026 has been scored as a medium severity vulnerability.
How to fix CVE-2018-8026?
To fix CVE-2018-8026, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-8026 being actively exploited in the wild?
It is possible that CVE-2018-8026 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~9% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-8026?
CVE-2018-8026 affects Apache Software Foundation Apache Solr.
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