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CVE-2019-12401

HIGHCVSS 7.5/10EPSS 7.51%

Last modified

CVE-2019-12401 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 7.51% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
7.51%

93.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ApacheSolr>= 1.3.0, <= 1.4.1
ApacheSolr>= 3.1, <= 3.6.2
ApacheSolr>= 4.0.0, <= 4.10.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 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 severe is CVE-2019-12401?
CVE-2019-12401 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 7.51% probability of exploitation in the next 30 days.
How do I fix CVE-2019-12401?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-12401?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST