CVE-2023-30591

NodeBB Pre-Authentication Denial-of-Service

Description

Denial-of-service in NodeBB <= v2.8.10 allows unauthenticated attackers to trigger a crash, when invoking `eventName.startsWith()` or `eventName.toString()`, while processing Socket.IO messages via crafted Socket.IO messages containing array or object type for the event name respectively.

Categories

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 1.02% Top 25%
Third-Party Advisory starlabs.sg
Affected: NodeBB, Inc. NodeBB
Published at:
Updated at:

References

Link Tags
https://starlabs.sg/advisories/23/23-30591/ third party advisory
https://github.com/NodeBB/NodeBB/commit/37b48b82a4bc7680c6e4c42647209010cb239c2c patch
https://github.com/NodeBB/NodeBB/commit/830f142b7aea2e597294a84d52c05aab3a3539ca patch
https://github.com/NodeBB/NodeBB/commit/4d2d76897a02e7068ab74c81d17a2febfae8bfb9 patch

Frequently Asked Questions

What is the severity of CVE-2023-30591?
CVE-2023-30591 has been scored as a high severity vulnerability.
How to fix CVE-2023-30591?
To fix CVE-2023-30591, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-30591 being actively exploited in the wild?
It is possible that CVE-2023-30591 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-30591?
CVE-2023-30591 affects NodeBB, Inc. NodeBB.
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