Exploited
7.5
CWE
74 20 94
Advisory Published
Advisory Published
Updated

CVE-2019-17558: Apache Solr VelocityResponseWriter Plug-In Remote Code Execution Vulnerability

First published: Mon Dec 30 2019(Updated: )

Apache Solr 5.0.0 to Apache Solr 8.3.1 are vulnerable to a Remote Code Execution through the VelocityResponseWriter. A Velocity template can be provided through Velocity templates in a configset `velocity/` directory or as a parameter. A user defined configset could contain renderable, potentially malicious, templates. Parameter provided templates are disabled by default, but can be enabled by setting `params.resource.loader.enabled` by defining a response writer with that setting set to `true`. Defining a response writer requires configuration API access. Solr 8.4 removed the params resource loader entirely, and only enables the configset-provided template rendering when the configset is `trusted` (has been uploaded by an authenticated user).

Credit: security@apache.org security@apache.org

Affected SoftwareAffected VersionHow to fix
Apache Solr>=5.0.0<=8.3.1
Oracle Primavera Unifier>=17.7<=17.12
Oracle Primavera Unifier=16.1
Oracle Primavera Unifier=16.2
Oracle Primavera Unifier=18.8
Oracle Primavera Unifier=19.12
Apache Solr
Apache Solr>=5.0.0<7.7.3
Apache Solr>=8.0.0<8.4.0
maven/org.apache.solr:solr-core>=8.0.0<=8.3.1
8.4.0
maven/org.apache.solr:solr-core>=7.0.0<=7.7.2
8.4.0
maven/org.apache.solr:solr-core>=6.0.0<=6.6.6
8.4.0
maven/org.apache.solr:solr-core>=5.0.0<=5.5.5
8.4.0

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Reference Links

Frequently Asked Questions

  • What is CVE-2019-17558?

    CVE-2019-17558 is a vulnerability in Apache Solr that allows remote code execution through the VelocityResponseWriter.

  • Who is affected by CVE-2019-17558?

    Apache Solr versions 5.0.0 to 8.3.1 are affected by CVE-2019-17558.

  • What is the severity of CVE-2019-17558?

    CVE-2019-17558 has a severity rating of 7.5 (high).

  • How can CVE-2019-17558 be exploited?

    CVE-2019-17558 can be exploited by providing a Velocity template through a configset or as a parameter in Apache Solr.

  • Are there any references for CVE-2019-17558?

    Yes, you can find more information about CVE-2019-17558 at the following references: [Link 1](http://packetstormsecurity.com/files/157078/Apache-Solr-8.3.0-Velocity-Template-Remote-Code-Execution.html), [Link 2](https://issues.apache.org/jira/browse/SOLR-13971), and [Link 3](https://lists.apache.org/thread.html/r0b7b9d4113e6ec1ae1d3d0898c645f758511107ea44f0f3a1210c5d5@%3Cissues.lucene.apache.org%3E).

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