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ReDoS in user agent parsing

High
pmusaraj published GHSA-mrfp-54hf-jrcv Jan 27, 2023

Package

No package listed

Affected versions

stable <= 3.0; beta <= 3.1.0.beta1; tests-passed <= 3.1.0.beta1

Patched versions

stable >= 3.0.1; beta >= 3.1.0.beta2; tests-passed >= 3.1.0.beta2

Description

Impact

A malicious user can cause a regular expression denial of service using a carefully crafted user agent.

Patches

This issue is patched in the latest stable, beta and tests-passed versions of Discourse.

Workarounds

None

Severity

High
8.6
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CVE ID

CVE-2023-23621

Weaknesses

No CWEs

Credits