CVE-2023-30591: Improper Check for Unusual or Exceptional Conditions

September 29, 2023 (updated October 2, 2023)

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.

References

github.com/NodeBB/NodeBB/commit/37b48b82a4bc7680c6e4c42647209010cb239c2c
github.com/NodeBB/NodeBB/commit/4d2d76897a02e7068ab74c81d17a2febfae8bfb9
github.com/NodeBB/NodeBB/commit/830f142b7aea2e597294a84d52c05aab3a3539ca
nvd.nist.gov/vuln/detail/CVE-2023-30591
starlabs.sg/advisories/23/23-30591/

Code Behaviors & Features

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