CVE-2019-12401
HIGH 7.5EPSS 8.5%
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
- Apache · Solr
- CVSS v3.1 NVD
- 7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS v2.0 NVD
- 5.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P - EPSS
- 8.55% chance of exploitation in the next 30 days, 95th percentile
- Published
- 2019-09-10
- Updated
- 2024-08-04
Proof-of-concept exploits (2)
- DrunkenShells/Disclosures/tree/master/CVE-2019-12401-XML%20Bomb-Apache%20Solr92★ · 2022-02-13
- mbadanoiu/CVE-2019-124010★ · 2025-04-07
Security advisories
- http://mail-archives.us.apache.org/mod_mbox/www-announce/201909.mbox/%3CCAECwjAXU4%3DkAo5…
- http://www.openwall.com/lists/oss-security/2019/09/10/1
- https://security.netapp.com/advisory/ntap-20190926-0002
- advisories/GHSA-jq2w-w7v2-69q5