CVE-2018-8026 Information

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

http://www.securityfocus.com/bid/104690 https://issues.apache.org/jira/browse/SOLR-12450 https://mail-archives.apache.org/mod_mbox/lucene-solr-user/201807.mbox/3C0cdc01d413b724f97ba58024ec72f0802440apache.org3E https://security.netapp.com/advisory/ntap-20190307-0002/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5