Vulnerability · Published Oct 7, 2024 · Assigned by GitHub_M

CVE-2024-43789Denial of service by the absence of restrictions on replies to posts in Discourse

High 7.5

In plain English

A high-severity uncontrolled resource consumption in discourse from discourse. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.5%top 59.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Discourse is an open source platform for community discussion. A user can create a post with many replies, and then attempt to fetch them all at once. This can potentially reduce the availability of a Discourse instance. This problem has been patched in the latest version of Discourse. All users area are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products (as reported)

Vendor	Product	Versions
discourse	discourse	stable: < 3.3.1beta: < 3.4.0.beta1

Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

https://github.com/discourse/discourse/security/advisories/GHSA-62cq-cpmc-hvqq x_refsource_CONFIRM