SB2019123002 - Code injection in Apache Solr
Published: December 30, 2019
Security Bulletin ID
SB2019123002
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Code Injection (CVE-ID: CVE-2019-17558)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in VelocityResponseWriter, when "params.resource.loader.enabled" is set to true in Apache Solr configuration. A remote authenticated user with ability to load templates or change software configuration can inject a malicious template and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.