🛡️ CVE-2019-12401 — solr-core

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-776 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Apache Solr vulnerable to XML Bomb

Solr versions prior to 5.0.0 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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2019-12401 is classified as CWE-776: XML Entity Expansion. Nested entity definitions expand enormously when parsed, consuming memory and CPU.

Affected software

CVE-2019-12401 is recorded against 1 package.

  • org.apache.solr:solr-core (fixed in 5.0.0)

Timeline and source

Published on 24 May 2022 and last revised on 21 February 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
issues.apache.org (Web)
lists.apache.org (Web)
lists.apache.org (Web)
lists.apache.org (Web)
lists.apache.org (Web)
lists.apache.org (Web)
lists.apache.org (Web)
lists.apache.org (Web)
security.netapp.com (Web)
mail-archives.us.apache.org (Web)
www.openwall.com (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-776
Public Exploit ✅ No
Source OSV
Published 2022-05-24
Updated 2026-08-12
Modified 2024-02-21
Fix URL N/A

Affected Packages

Software From version Fixed in
org.apache.solr:solr-core 5.0.0

References

Similar Threats

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