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CVE-2018-8026

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Date: July 3, 2018

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.

Language: Java

Severity Score

Related Resources (6)

https://issues.apache.org/jira/browse/SOLR-12450
https://security.netapp.com/advisory/ntap-20190307-0002/
https://mail-archives.apache.org/mod_mbox/lucene-solr-user/201807.mbox/%3C0cdc01d413b7%24f97ba580%24ec72f080%24%40apache.org%3E
https://nvd.nist.gov/vuln/detail/CVE-2018-8026
http://www.securityfocus.com/bid/104690
https://www.mend.io/vulnerability-database/CVE-2018-8026

Severity Score

Weakness Type (CWE)

Improper Restriction of XML External Entity Reference ('XXE')

CWE-611

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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