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CVE-2017-12629

9.8 · CRITICAL

Remote code execution occurs in Apache Solr before 7.1 with Apache Lucene before 7.1 by exploiting XXE in conjunction with use of a Config API add-listener command to reach the RunExecutableListene…

Published Oct 14, 2017CWE-611EPSS 91.90%

Overview

CVE-2017-12629 is a critical-severity vulnerability. It was published on October 14, 2017 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Remote code execution occurs in Apache Solr before 7.1 with Apache Lucene before 7.1 by exploiting XXE in conjunction with use of a Config API add-listener command to reach the RunExecutableListener class. Elasticsearch, although it uses Lucene, is NOT vulnerable to this. Note that the XML external entity expansion vulnerability occurs in the XML Query Parser which is available, by default, for any query request with parameters deftype=xmlparser and can be exploited to upload malicious data to the /upload request handler or as Blind XXE using ftp wrapper in order to read arbitrary local files from the Solr server. Note also that the second vulnerability relates to remote code execution using the RunExecutableListener available on all affected versions of Solr.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refmail-archives.us.apache.org/mod_mbox/www-announce/201710.mbox/%3CCAOOKt51UO_6Vy%3Dj8W%3Dx1pMbLW9VJfZyFWz7pAnXJC_OAdSZubA%40mail.gmail.com%3ERefopenwall.com/lists/oss-security/2017/10/13/1Refwww.securityfocus.com/bid/101261Refaccess.redhat.com/errata/RHSA-2017:3123Refaccess.redhat.com/errata/RHSA-2017:3124Refaccess.redhat.com/errata/RHSA-2017:3244Refaccess.redhat.com/errata/RHSA-2017:3451Refaccess.redhat.com/errata/RHSA-2017:3452Refaccess.redhat.com/errata/RHSA-2018:0002Refaccess.redhat.com/errata/RHSA-2018:0003

How CyberStrike helps

Frequently asked questions

What is CVE-2017-12629?

CVE-2017-12629 is a critical-severity vulnerability. It was published on October 14, 2017 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2017-12629?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-12629?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-12629?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-12629 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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