Remote Out-of-Bounds Write Vulnerability in Cesanta Mongoose HTTP Server
CVE-2021-26528

9.1CRITICAL

Key Information:

Vendor

Cesanta

Status
Mongoose
Vendor
CVE Published:
8 February 2021

What is CVE-2021-26528?

The mg_http_serve_file function in Cesanta Mongoose HTTP Server 7.0 is susceptible to a remote out-of-bounds write vulnerability. This issue arises when a connection request is made after depleting the memory pool, allowing attackers to potentially overwrite memory and execute arbitrary code. It is critical for users of the Mongoose HTTP Server to apply necessary updates and patches to mitigate the risk associated with this vulnerability.

References

https://github.com/cesanta/mongoose/issues/1201
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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