Vulnerability · Published Aug 30, 2024 · Assigned by GitHub_M

CVE-2024-21658Insufficient control of region value length in discourse-calendar

Medium 4.3

In plain English

A medium-severity uncontrolled resource consumption in discourse-calendar from discourse. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.4%top 69.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

discourse-calendar is a discourse plugin which adds the ability to create a dynamic calendar in the first post of a topic. The limit on region value length is too generous. This allows a malicious actor to cause a Discourse instance to use excessive bandwidth and disk space. This issue has been patched in main the main branch. There are no workarounds for this vulnerability. Please upgrade as soon as possible.

Affected products (as reported)

Vendor	Product	Versions
discourse	discourse-calendar	< 66259cd21dc6a1b2139d9833f3f847d8013e6759

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-calendar/security/advisories/GHSA-65f2-9ghp-x8h8 x_refsource_CONFIRM