CVE Vulnerability

CVE-2022-23641

Discourse is an open source discussion platform. In versions prior to 2.8.1 in the `stable` branch, 2.9.0.beta2 in the `beta` branch, and 2.9.0.beta2 in the `tests-passed` branch, users can trigger a Denial of Service attack by posting a streaming URL. Parsing Oneboxes in the background job trigger an infinite loop, which cause memory leaks. This issue is patched in version 2.8.1 of the `stable` branch, 2.9.0.beta2 of the `beta` branch, and 2.9.0.beta2 of the `tests-passed` branch. As a workaround, disable onebox in admin panel completely or specify allow list of domains that will be oneboxed.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/discourse/discourse/pull/15927 Patch Third Party Advisory
https://github.com/discourse/discourse/security/advisories/GHSA-22xw-f62v-cfxv Issue Tracking Third Party Advisory
https://github.com/discourse/discourse/commit/a34075d205a8857e29574ffd82aaece0c467565e Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*
Information

Published : 2022-02-15 09:15

Updated : 2022-02-24 02:20

NVD link : CVE-2022-23641

Mitre link : CVE-2022-23641

Products Affected
No products.
CWE
CWE-835