CVE-2022-36066

Discourse vulnerable to RCE via admins uploading maliciously zipped file

Severity Score

7.2

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Discourse is an open source discussion platform. In versions prior to 2.8.9 on the `stable` branch and prior to 2.9.0.beta10 on the `beta` and `tests-passed` branches, admins can upload a maliciously crafted Zip or Gzip Tar archive to write files at arbitrary locations and trigger remote code execution. The problem is patched in version 2.8.9 on the `stable` branch and version 2.9.0.beta10 on the `beta` and `tests-passed` branches. There are no known workarounds.

Discourse es una plataforma de debate de código abierto. En versiones anteriores a 2.8.9 en la rama "stable" y anteriores a 2.9.0.beta10 en las ramas "beta" y "tests-passed", los administradores pueden descargar un archivo Zip o Gzip Tar diseñado de forma maliciosa para escribir archivos en ubicaciones arbitrarias y desencadenar una ejecución de código remota. El problema está parcheado en versión 2.8.9 en la rama "stable" y en versión 2.9.0.beta10 en las ramas "beta" y "tests-passed". No se presentan mitigaciones conocidas

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-07-15 CVE Reserved
2022-09-29 CVE Published
2024-07-18 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-434: Unrestricted Upload of File with Dangerous Type

CAPEC

References (3)

URL	Tag	Source
https://github.com/discourse/discourse/security/advisories/GHSA-grvh-qcpg-hfmv	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://github.com/discourse/discourse/commit/b27d5626d208a22c516a0adfda7554b67b493835	2022-10-06
https://github.com/discourse/discourse/pull/18421	2022-10-06

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"				< 2.8.9 Search vendor "Discourse" for product "Discourse" and version " < 2.8.9"		-		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"		beta1		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"		beta2		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"		beta3		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"		beta4		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"		beta5		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"		beta6		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
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"		beta8		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"		beta9		Affected