Vulnerability · Published Jan 12, 2024 · Assigned by GitHub_M

CVE-2024-21655Insufficient control of custom field value sizes

Medium 4.3

In plain English

A medium-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 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.6%top 52.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Discourse is a platform for community discussion. For fields that are client editable, limits on sizes are not imposed. This allows a malicious actor to cause a Discourse instance to use excessive disk space and also often excessive bandwidth. The issue is patched 3.1.4 and 3.2.0.beta4.

Affected products (as reported)

Vendor	Product	Versions
discourse	discourse	< 3.1.4>= 3.2.0beta1, < 3.2.0.beta4

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

References

https://github.com/discourse/discourse/security/advisories/GHSA-m5fc-94mm-38fx x_refsource_CONFIRM