Integer Overflow Vulnerability in Cesanta Mongoose MQTT Implementation
CVE-2019-19307

9.8CRITICAL

Key Information:

Vendor

Cesanta

Status
Mongoose
Vendor
CVE Published:
26 November 2019

What is CVE-2019-19307?

An integer overflow vulnerability exists in the MQTT protocol implementation of Cesanta Mongoose version 6.16. This weakness allows an attacker to send specially crafted MQTT packets that can lead to a denial of service (DoS) by causing an infinite loop or potentially triggering an out-of-bounds write. Exploiting this vulnerability may jeopardize the stability and availability of the application using this version of Mongoose, highlighting the importance of timely updates and appropriate security measures.

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References

https://github.com/cesanta/mongoose/issues/1055
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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