CVE-2018-18764 Information disclosure in n/a
A heap-based buffer over-read in Cesanta Mongoose allows attackers to disclose memory or cause denial of service via crafted MQTT 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-2018-18764?
CVE-2018-18764 is a critical vulnerability in Cesanta Mongoose, published on 28 Oct 2018. 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 6.13. It is a heap-based buffer over-read in a parse_mqtt getu16 call. A specially crafted MQTT SUBSCRIBE packet can cause an arbitrary out-of-bounds memory read potentially resulting in information disclosure and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.
Weakness: CWE-125
Which versions are affected by CVE-2018-18764?
It affects 1 product.
Products include Cesanta Mongoose.
How do I fix CVE-2018-18764?
Upgrade to a fixed version.
Is CVE-2018-18764 being exploited?
There is no known exploitation of CVE-2018-18764 in the wild and no public exploit code.
Other vulnerabilities in Cesanta Mongoose
Sources
Also known as DEBIAN-CVE-2018-18764, GHSA-rv8p-xfjh-v6c6, UBUNTU-CVE-2018-18764.