CVE-2023-23621
Assigner: GitHub_M
Published: 2023-01-27T23:31:05.923Z
State: PUBLISHED
title: Discourse vulnerable to ReDoS in user agent parsing
problemTypes: descriptions: cweId: CWE-1333
description: CWE-1333: Inefficient Regular Expression Complexity
type: CWE
metrics: cvssV3_1: attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8.6
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
version: 3.1
affected: vendor: discourse
product: discourse
versions: version: < 3.0.1
status: affected
version: = 3.1.0.beta1
status: affected
descriptions: value: Discourse is an open-source discussion platform. Prior to version 3.0.1 on the `stable` branch and version 3.1.0.beta2 on the `beta` and `tests-passed` branches, a malicious user can cause a regular expression denial of service using a carefully crafted user agent. This issue is patched in version 3.0.1 on the `stable` branch and version 3.1.0.beta2 on the `beta` and `tests-passed` branches. There are no known workarounds.
source: advisory: GHSA-mrfp-54hf-jrcv
discovery: UNKNOWN