PT-2022-26151 · Discourse · Discourse

Lowjomaxropublished · Published 2022-11-28 · Updated 2024-03-06 · CVE-2022-41921

Positive Technologies (AI Summary)

CVSS v3.1

3.5

Low

Base vector

AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2.9.0.beta13

Description Discourse is an open-source discussion platform. The issue allows users to post chat messages of an unlimited length, which can cause a denial of service for other users when huge amounts of text are posted.

Recommendations For versions prior to 2.9.0.beta13, users should upgrade to version 2.9.0.beta13, where a limit on chat message length has been introduced to prevent the denial of service issue.

Exploit

Fix

DoS

Allocation of Resources Without Limits

RCE

Weakness Enumeration

CWE-770

CWE-20

Related Identifiers

BIT-DISCOURSE-2022-41921

CVE-2022-41921

GHSA-MFH7-6CV6-QCCC

Affected Products

Discourse

References · 8

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/41xxx/CVE-2022-41921.json · Exploit
• https://github.com/discourse/discourse/commit/3de765c89524a526ce611e11468d758a471a933f · Patch
• https://osv.dev/vulnerability/BIT-discourse-2022-41921 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-41921 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-41921 · Security Note
• https://github.com/discourse/discourse/security/advisories/GHSA-mfh7-6cv6-qccc · Note
• https://t.me/cibsecurity/53583 · Telegram Post
• https://t.me/cvenotify/38903 · Telegram Post