CVE-2017-2892 Integer overflow in Mongoose

Critical 9.8 Published Updated

A remote attacker can trigger arbitrary memory read/write via crafted MQTT packets, leading to code execution, DoS, or information disclosure.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2017-2892?

CVE-2017-2892 is a critical vulnerability in Cesanta Mongoose, published on 7 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An exploitable arbitrary memory read vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. A specially crafted MQTT packet can cause an arbitrary out-of-bounds memory read and write potentially resulting in information disclosure, denial of service and remote code execution. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.

Weakness: CWE-190

Which versions are affected by CVE-2017-2892?

It affects 1 product.

Products include Cesanta Mongoose.

How do I fix CVE-2017-2892?

Upgrade to a fixed version.

Is CVE-2017-2892 being exploited?

There is no known exploitation of CVE-2017-2892 in the wild and no public exploit code.

All Cesanta Mongoose vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-2892, GHSA-fcj6-8xpv-3w93.

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