Exposed dangerous method or function in Apache Solr - CVE-2019-0193
Published: August 13, 2019 / Updated: February 20, 2022
Vulnerability identifier: #VU20062
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2019-0193
CWE-ID: CWE-749
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Apache Foundation
Affected software:
Apache Solr
Apache Solr
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to DataImportHandler module in Apache Solr has a feature in which the whole DIH configuration can come from a request's "dataConfig" parameter. The debug mode of the DIH admin screen uses this to allow convenient debugging / development of a DIH config. A remote attacker can send a specially crafted reuqest to the affected application and execute arbitrary code on the target system.
How to mitigate CVE-2019-0193
Install updates from vendor's website.