Use After Free Affecting cesanta/mongoose package, versions [0,6.8]


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
1.34% (86th percentile)

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  • Snyk IDSNYK-UNMANAGED-CESANTAMONGOOSE-2366201
  • published26 Jan 2022
  • disclosed7 Nov 2017
  • creditUnknown

Introduced: 7 Nov 2017

CVE-2017-2891  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for cesanta/mongoose.

Overview

cesanta/mongoose is a networking library for C/C++. It implements event-driven non-blocking APIs for TCP, UDP, HTTP, WebSocket, MQTT.

Affected versions of this package are vulnerable to Use After Free. An exploitable use-after-free vulnerability exists in the HTTP server implementation of Cesanta Mongoose 6.8. An ordinary HTTP POST request with a CGI target can cause a reuse of previously freed pointer potentially resulting in remote code execution. An attacker needs to send this HTTP request over the network to trigger this vulnerability.

CVSS Scores

version 3.1