Vulnerability in CrowCpp Crow

[ Description ]Official description

Crow before 1.3.4 contains an uncontrolled recursion vulnerability in crow::json::load() that allows remote unauthenticated attackers to crash the server by sending deeply nested JSON. Attackers can send a request body with thousands of nested objects to exhaust the worker thread stack, terminating the process and dropping all connections.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/CrowCpp/Crow/blob/v1.3.3/include/crow/json.h
• github.com/CrowCpp/Crow/commit/6956b7ca93c5df22f5aaccd670e5aa000c0d882b
• github.com/CrowCpp/Crow/releases/tag/v1.3.4
• github.com/CrowCpp/Crow/security/advisories/GHSA-7x84-xhp8-6cqj
• www.vulncheck.com/advisories/crow-before-1.3.4-denial-of-service-via-deeply-nested-json…