CVE-2024-42391: Use of Out-of-range Pointer Offset in Mongoose Web Server library
First published: Mon Nov 18 2024(Updated: )
Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.
Credit: prodsec@nozominetworks.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cesanta Mongoose Embedded Web Server Library | <=7.14 |
Remedy
It is suggested to update the Mongoose Web Server library to v7.15.
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Frequently Asked Questions
What is the severity of CVE-2024-42391?
CVE-2024-42391 is considered a high-severity vulnerability due to its potential to allow attackers to read unintended heap memory.
How do I fix CVE-2024-42391?
To fix CVE-2024-42391, update the Cesanta Mongoose Web Server to version 7.15 or later.
What types of applications are affected by CVE-2024-42391?
CVE-2024-42391 affects applications that utilize Cesanta Mongoose Web Server version 7.14 and prior.
What happens if I am exploited by CVE-2024-42391?
Exploitation of CVE-2024-42391 may allow attackers to access sensitive information by reading unintended areas of memory.
Is there a workaround for CVE-2024-42391 if I cannot update?
If unable to update for CVE-2024-42391, it is advisable to restrict access to the web server and monitor for unusual TLS packet traffic.
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