CVE-2022-31182

Cache poisoning via maliciously-formed request in Discourse

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Discourse is the an open source discussion platform. In affected versions a maliciously crafted request for static assets could cause error responses to be cached by Discourse's default NGINX proxy configuration. A corrected NGINX configuration is included in the latest stable, beta and tests-passed versions of Discourse. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Discourse es una plataforma de debate de código abierto. En las versiones afectadas, una petición maliciosamente diseñada de activos estáticos podría causar que las respuestas de error fueran almacenadas en la caché por la configuración predeterminada del proxy NGINX de Discourse. Una configuración NGINX corregida es incluida en las últimas versiones estables, beta y de prueba de Discourse. Es recomendado a usuarios actualizar. No se presentan mitigaciones conocidas para esta vulnerabilidad

*Credits: N/A

CVSS Scores

NISTv3.1 5.3

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-05-18 CVE Reserved
2022-08-01 CVE Published
2024-02-22 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-404: Improper Resource Shutdown or Release

CAPEC

References (2)

URL	Tag	Source
https://github.com/discourse/discourse/security/advisories/GHSA-4ff8-3j78-w6pp	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://github.com/discourse/discourse/commit/7af25544c3940c4d046c51f4cfac9c72a06d4f50	2022-08-08

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Discourse Search vendor "Discourse"		Discourse Search vendor "Discourse" for product "Discourse"				< 2.8.7 Search vendor "Discourse" for product "Discourse" and version " < 2.8.7"		-		Affected
Discourse Search vendor "Discourse"		Discourse Search vendor "Discourse" for product "Discourse"				2.9.0 Search vendor "Discourse" for product "Discourse" and version "2.9.0"		beta7		Affected