CVE-2019-12401

Public Exploit

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 32.77% Top 5%
Vendor Advisory apache.org
Affected: Apache Solr
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread.html/7ab5e95a1a0b4f35ffe53f1eb0cb74b4348b49d41b72ac155b843fa2%40%3Cgeneral.lucene.apache.org%3E mailing list
https://lists.apache.org/thread.html/048ae6e4f84a88e8856f766320b48ad91f9fca2c6f621aa2c40088fe%40%3Cdev.lucene.apache.org%3E mailing list
http://www.openwall.com/lists/oss-security/2019/09/10/1 third party advisory mailing list
https://lists.apache.org/thread.html/521d10a19bfb590f86dff41820ccfb11e92281f233a12c882650931e%40%3Cdev.lucene.apache.org%3E mailing list
https://lists.apache.org/thread.html/1c92300643f48f13bc59b15e3f886ba62bae1798c7d4c2e5c1ece09b%40%3Cannounce.apache.org%3E mailing list
https://lists.apache.org/thread.html/60a924662ead9aeea74e8ea128d9ca935f8de925aa71b15ab2787d6a%40%3Csolr-user.lucene.apache.org%3E mailing list
https://lists.apache.org/thread.html/db8eaca456d03c00a66cbe37548978318d424b9997e3fd7f5c65dffe%40%3Cdev.lucene.apache.org%3E mailing list
http://mail-archives.us.apache.org/mod_mbox/www-announce/201909.mbox/%3CCAECwjAXU4%3DkAo5DeUJw7Kvk67sgCmajAN7LGZQNjbjZ8gv%3DBdw%40mail.gmail.com%3E mailing list broken link vendor advisory
https://lists.apache.org/thread.html/0ec231c5ed8d242890e21806d25fdd47f80cc47cac278d2fc1c9c579%40%3Cdev.lucene.apache.org%3E mailing list
https://security.netapp.com/advisory/ntap-20190926-0002/ third party advisory
https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-12401-XML%20Bomb-Apache%20Solr third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-12401?
CVE-2019-12401 has been scored as a high severity vulnerability.
How to fix CVE-2019-12401?
To fix CVE-2019-12401, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-12401 being actively exploited in the wild?
It is possible that CVE-2019-12401 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~33% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-12401?
CVE-2019-12401 affects Apache Solr.
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