CVE-2021-26529: Critical severity mongoose os vulnerability

Published Feb 8, 2021
·
Updated

The mgtlsinit function in Cesanta Mongoose HTTPS server 7.0 and 6.7-6.18 (compiled with mbedTLS support) is vulnerable to remote OOB write attack via connection request after exhausting memory pool.

Affected Software

2 affected components
Cesanta Mongoose>=6.7<=6.18
Cesanta Mongoose=7.0

Event History

Feb 8, 2021
CVE Published
via MITRE·08:13 PM
Data Sourced
via MITRE·08:13 PM
Description

Frequently Asked Questions

1

What is CVE-2021-26529?

CVE-2021-26529 is a vulnerability in Cesanta Mongoose HTTPS server versions 7.0 and 6.7-6.18 where the mg_tls_init function is vulnerable to a remote OOB write attack.

2

How does CVE-2021-26529 impact the affected software?

CVE-2021-26529 can result in a remote OOB write attack on Cesanta Mongoose HTTPS server versions 7.0 and 6.7-6.18 that have been compiled with mbedTLS support.

3

What is the severity of CVE-2021-26529?

CVE-2021-26529 has a severity rating of 9.1 (Critical).

4

Which software versions are affected by CVE-2021-26529?

Cesanta Mongoose HTTPS server versions 7.0 and 6.7-6.18 (compiled with mbedTLS support) are affected by CVE-2021-26529.

5

How can I mitigate CVE-2021-26529?

To mitigate CVE-2021-26529, it is recommended to update to a fixed version of Cesanta Mongoose HTTPS server.

Contact

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