CVE-2023-34188

Description

The HTTP server in Mongoose before 7.10 accepts requests containing negative Content-Length headers. By sending a single attack payload over TCP, an attacker can cause an infinite loop in which the server continuously reparses that payload, and does not respond to any other requests.

References

https://github.com/cesanta/mongoose/pull/2197

https://github.com/cesanta/mongoose/compare/7.9...7.10

https://github.com/cesanta/mongoose/commit/4663090a8fb036146dfe77718cff612b0101cb0f

https://blog.narfindustries.com/blog/narf-discovers-critical-vulnerabilities-in-cesanta-mongoose-http-server

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3