CVE-2023-2905

Public Exploit
Cesanta Mongoose MQTT Message Parsing Heap Overflow

Description

Due to a failure in validating the length of a provided MQTT_CMD_PUBLISH parsed message with a variable length header, Cesanta Mongoose, an embeddable web server, version 7.10 is susceptible to a heap-based buffer overflow vulnerability in the default configuration. Version 7.9 and prior does not appear to be vulnerable. This issue is resolved in version 7.11.

Categories

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.24%
Third-Party Advisory takeonme.org
Affected: Cesanta Mongoose
Published at:
Updated at:

References

Link Tags
https://takeonme.org/cves/CVE-2023-2905.html patch third party advisory exploit technical description
https://github.com/cesanta/mongoose/pull/2274 patch
https://github.com/cesanta/mongoose/releases/tag/7.11 release notes

Frequently Asked Questions

What is the severity of CVE-2023-2905?
CVE-2023-2905 has been scored as a high severity vulnerability.
How to fix CVE-2023-2905?
To fix CVE-2023-2905, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-2905 being actively exploited in the wild?
It is possible that CVE-2023-2905 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-2905?
CVE-2023-2905 affects Cesanta Mongoose.
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