Out-of-bounds Read in Cesanta Mongoose
CVE-2019-19307
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.
Vulnerability class: Buffer Overflow
EPSS: 0.414 (98.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cesanta Mongoose — versions 6.16
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-19307?
- CVE-2019-19307 is a critical-severity vulnerability in Cesanta Mongoose, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2019-11-26.
- How severe is CVE-2019-19307?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-19307 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.