Integer Overflow in parse_mqtt: Remote DoS and Out-of-Bounds Write Vulnerability in Cesanta Mongoose 6.16

CVE-2019-19307 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An integer overflow in parse_mqtt in mongoose.c in Cesanta Mongoose 6.16 allows an attacker to achieve remote DoS (infinite loop), or possibly cause an out-of-bounds write, by sending a crafted MQTT protocol packet.

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