CVE-2019-12401
First published: Tue Sep 10 2019(Updated: )
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.
Credit: security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apache Solr | >=1.3.0<=1.4.1 | |
| Apache Solr | >=3.1<=3.6.2 | |
| Apache Solr | >=4.0.0<=4.10.4 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- http://mail-archives.us.apache.org/mod_mbox/www-announce/201909.mbox/%3CCAECwjAXU4%3DkAo5DeUJw7Kvk67sgCmajAN7LGZQNjbjZ8gv%3DBdw%40mail.gmail.com%3E
- http://www.openwall.com/lists/oss-security/2019/09/10/1
- https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-12401-XML%20Bomb-Apache%20Solr
- https://lists.apache.org/thread.html/048ae6e4f84a88e8856f766320b48ad91f9fca2c6f621aa2c40088fe@%3Cdev.lucene.apache.org%3E
- https://lists.apache.org/thread.html/0ec231c5ed8d242890e21806d25fdd47f80cc47cac278d2fc1c9c579@%3Cdev.lucene.apache.org%3E
- https://lists.apache.org/thread.html/1c92300643f48f13bc59b15e3f886ba62bae1798c7d4c2e5c1ece09b@%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/521d10a19bfb590f86dff41820ccfb11e92281f233a12c882650931e@%3Cdev.lucene.apache.org%3E
- https://lists.apache.org/thread.html/60a924662ead9aeea74e8ea128d9ca935f8de925aa71b15ab2787d6a@%3Csolr-user.lucene.apache.org%3E
- https://lists.apache.org/thread.html/7ab5e95a1a0b4f35ffe53f1eb0cb74b4348b49d41b72ac155b843fa2@%3Cgeneral.lucene.apache.org%3E
- https://lists.apache.org/thread.html/db8eaca456d03c00a66cbe37548978318d424b9997e3fd7f5c65dffe@%3Cdev.lucene.apache.org%3E
- https://security.netapp.com/advisory/ntap-20190926-0002/
- https://lists.apache.org/thread.html/7ab5e95a1a0b4f35ffe53f1eb0cb74b4348b49d41b72ac155b843fa2%40%3Cgeneral.lucene.apache.org%3E
- https://lists.apache.org/thread.html/048ae6e4f84a88e8856f766320b48ad91f9fca2c6f621aa2c40088fe%40%3Cdev.lucene.apache.org%3E
- https://lists.apache.org/thread.html/521d10a19bfb590f86dff41820ccfb11e92281f233a12c882650931e%40%3Cdev.lucene.apache.org%3E
- https://lists.apache.org/thread.html/1c92300643f48f13bc59b15e3f886ba62bae1798c7d4c2e5c1ece09b%40%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/60a924662ead9aeea74e8ea128d9ca935f8de925aa71b15ab2787d6a%40%3Csolr-user.lucene.apache.org%3E
- https://lists.apache.org/thread.html/db8eaca456d03c00a66cbe37548978318d424b9997e3fd7f5c65dffe%40%3Cdev.lucene.apache.org%3E
- https://lists.apache.org/thread.html/0ec231c5ed8d242890e21806d25fdd47f80cc47cac278d2fc1c9c579%40%3Cdev.lucene.apache.org%3E
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.
- collector/nvd-index
- agent/author
- agent/references
- agent/weakness
- agent/severity
- agent/type
- agent/event
- agent/description
- agent/last-modified-date
- agent/first-publish-date
- agent/softwarecombine
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/apache
- canonical/apache solr
- version/apache solr/1.3.0
- version/apache solr/1.4.1
- version/apache solr/3.1
- version/apache solr/3.6.2
- version/apache solr/4.0.0
- version/apache solr/4.10.4