CVE-2019-12401: High severity apache solr vulnerability
Solr versions 1.3.0 to 1.4.1, 3.1.0 to 3.6.2 and 4.0.0 to 4.10.4 are vulnerable to an XML resource consumption attack (a.k.a. Lol Bomb) via it’s update handler.?By leveraging XML DOCTYPE and ENTITY type elements, the attacker can create a pattern that will expand when the server parses the XML causing OOMs.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2019-12401?
CVE-2019-12401 is a vulnerability in Solr versions 1.3.0 to 1.4.1, 3.1.0 to 3.6.2, and 4.0.0 to 4.10.4 that allows an XML resource consumption attack (a.k.a. Lol Bomb) via its update handler.
Which software versions are affected by CVE-2019-12401?
Solr versions 1.3.0 to 1.4.1, 3.1.0 to 3.6.2, and 4.0.0 to 4.10.4 are affected by CVE-2019-12401.
How severe is CVE-2019-12401?
CVE-2019-12401 has a severity rating of 7.5 (high).
How can the CVE-2019-12401 vulnerability be exploited?
The CVE-2019-12401 vulnerability can be exploited by leveraging XML DOCTYPE and ENTITY type elements to create a pattern that expands when the server parses the XML, causing resource consumption.
Is there a fix for CVE-2019-12401?
Yes, to fix CVE-2019-12401, it is recommended to upgrade Solr to a version that is not affected by the vulnerability.