What is CVE-2023-2905?

CVE-2023-2905 is a vulnerability in Cesanta Mongoose, classified under Heap-based Buffer Overflow. Published 2023-08-09.

Is CVE-2023-2905 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Cesanta Mongoose

CVE-2023-2905

Due to a failure in validating the length of a provided MQTT_CMD_PUBLISH parsed message with a variable length header, Cesanta Mongoose, an embeddable web server, version 7.10 is susceptible to a heap-based buffer overflow vulnerability in…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (48.9th percentile) — read the EPSS interpretation.

Affected products

Cesanta Mongoose — versions 7.10, 7.11

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

Public proof-of-concept exploits

DiRaltvein/memory-corruption-examples

References

takeonme.org/cves/CVE-2023-2905.html (third-party-advisory, technical-description, exploit)
github.com/cesanta/mongoose/pull/2274 (patch)
github.com/cesanta/mongoose/releases/tag/7.11 (release-notes)

Frequently asked questions

What is CVE-2023-2905?: CVE-2023-2905 is a vulnerability in Cesanta Mongoose, classified under Heap-based Buffer Overflow. Published 2023-08-09.
Is CVE-2023-2905 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.