CVE-2019-12401 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://mail-archives.us.apache.org/mod_mbox/www-announce/201909.mbox/3CCAECwjAXU43DkAo5DeUJw7Kvk67sgCmajAN7LGZQNjbjZ8gv3DBdw40mail.gmail.com3E http://www.openwall.com/lists/oss-security/2019/09/10/1 https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-12401-XML20Bomb-Apache20Solr https://lists.apache.org/thread.html/048ae6e4f84a88e8856f766320b48ad91f9fca2c6f621aa2c40088fe@3Cdev.lucene.apache.org3E https://lists.apache.org/thread.html/0ec231c5ed8d242890e21806d25fdd47f80cc47cac278d2fc1c9c579@3Cdev.lucene.apache.org3E https://lists.apache.org/thread.html/1c92300643f48f13bc59b15e3f886ba62bae1798c7d4c2e5c1ece09b@3Cannounce.apache.org3E https://lists.apache.org/thread.html/521d10a19bfb590f86dff41820ccfb11e92281f233a12c882650931e@3Cdev.lucene.apache.org3E https://lists.apache.org/thread.html/60a924662ead9aeea74e8ea128d9ca935f8de925aa71b15ab2787d6a@3Csolr-user.lucene.apache.org3E https://lists.apache.org/thread.html/7ab5e95a1a0b4f35ffe53f1eb0cb74b4348b49d41b72ac155b843fa2@3Cgeneral.lucene.apache.org3E https://lists.apache.org/thread.html/db8eaca456d03c00a66cbe37548978318d424b9997e3fd7f5c65dffe@3Cdev.lucene.apache.org3E https://security.netapp.com/advisory/ntap-20190926-0002/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5