Remote Out-of-Bound Write Vulnerability in Cesanta Mongoose HTTPS Server
CVE-2021-26529

9.1CRITICAL

Key Information:

Vendor

Cesanta

Status
Mongoose
Vendor
CVE Published:
8 February 2021

What is CVE-2021-26529?

The mg_tls_init function in Cesanta's Mongoose HTTPS Server (versions 6.7 to 7.0) contains a vulnerability that can be exploited through a remote out-of-bound write attack. This occurs when a connection request is processed after the server's memory pool has been exhausted. Such exploitation could potentially lead to unauthorized access or manipulation of the server's memory space, highlighting the importance of timely updates and secure coding practices.

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References

https://github.com/cesanta/mongoose/issues/1203
x_refsource_MISC

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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