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Elasticsearch vulnerable to stack overflow in the search API

Moderate severity GitHub Reviewed Published Oct 26, 2023 to the GitHub Advisory Database • Updated Nov 25, 2023

Package

maven org.elasticsearch:elasticsearch (Maven)

Affected versions

>= 7.0.0, < 7.17.13
>= 8.0.0, < 8.9.1

Patched versions

7.17.13
8.9.1

Description

A flaw was discovered in Elasticsearch affecting the _search API that allowed a specially crafted query string to cause a stack overflow and ultimately a denial of service.

References

Published by the National Vulnerability Database Oct 26, 2023
Published to the GitHub Advisory Database Oct 26, 2023
Reviewed Oct 30, 2023
Last updated Nov 25, 2023

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS score

0.159%
(54th percentile)

Weaknesses

CVE ID

CVE-2023-31419

GHSA ID

GHSA-qwrx-45xf-jjf7

Source code

No known source code
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