CVE-2019-19307 Integer overflow in n/a

Critical 9.8 Published Updated

An integer overflow in the MQTT parser allows remote attackers to cause a denial of service or potentially execute code via crafted packets.

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

What is CVE-2019-19307?

CVE-2019-19307 is a critical vulnerability in Cesanta Mongoose, published on 26 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-835, CWE-787, CWE-190, CWE-125

Which versions are affected by CVE-2019-19307?

It affects 1 product.

Products include Cesanta Mongoose.

How do I fix CVE-2019-19307?

Upgrade to a fixed version.

Is CVE-2019-19307 being exploited?

There is no known exploitation of CVE-2019-19307 in the wild and no public exploit code.

All Cesanta Mongoose vulnerabilities

Sources

Also known as DEBIAN-CVE-2019-19307, GHSA-qcx8-9vm4-9g3r.

Is CVE-2019-19307 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free