CVE-2017-2892

An exploitable arbitrary memory read vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8

Critical · published November 7, 2017

CVSS v3.0
9.8
EPSS
3%
Percentile
87.2
In the wild
Unconfirmed
What it is

🚨 An MQTT packet sent with malicious intent is the key to unlocking serious vulnerabilities in Cesanta Mongoose! 🔥 Think of it like a delivery service that blindly accepts any package labeled 'urgent' without checking the contents. A bad actor can slip in something dangerous without anyone noticing. The consequences are absolutely devastating! An attacker sending a specially crafted MQTT packet can read sensitive information, crash your services, or even execute code remotely. This is not just a minor inconvenience; it could lead to a full compromise of your systems!

Put simply

Think of it like a delivery service that blindly accepts any package labeled 'urgent' without checking the contents. A bad actor can slip in something dangerous without anyone noticing. CVE-2017-2892 is an arbitrary memory read vulnerability in the MQTT packet parsing functionality within Cesanta Mongoose 6.8, allowing attackers to perform out-of-bounds reads and writes by sending crafted packets.

What to do

The consequences are absolutely devastating! An attacker sending a specially crafted MQTT packet can read sensitive information, crash your services, or even execute code remotely. This is not just a minor inconvenience; it could lead to a full compromise of your systems! To protect your systems, upgrade Cesanta Mongoose to version 6.9 or later immediately. Additionally, review your network configurations and restrict incoming MQTT packets to trusted sources only. Don't leave your doors wide open! You've got this! With these steps, you can secure your environment and keep it safe from prying eyes! 🛡️

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02996 · 87.2th percentile
Published
2017-11-07T16:00Z
EPSS history
Timeline
  • 07 NOV 16:00Z
    An exploitable arbitrary memory read vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8
    cvelistv5