Home/CVE/Due to a failure in validating the length of a provided MQTT_CMD_PUBLISH parsed message with a variable length header,
CVE

CVE-2023-2905

Due to a failure in validating the length of a provided MQTT_CMD_PUBLISH parsed message with a variable length header,

Due to a failure in validating the length of a provided MQTT_CMD_PUBLISH parsed message with a variable length header, Cesanta Mongoose, an embeddable web server, version 7.10 is susceptible to a heap-based buffer overflow vulnerability in the default configuration. Version 7.9 and prior does not appear to be vulnerable. This issue is resolved in version 7.11.

HIGH · CVSS 8.8 EPSS 0.00224
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-122Heap-based Buffer Overflow
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

1
cesanta mongooseall versions
⚠

Public Exploits & PoCs

1
poctakeonme.org · CVE-2023-2905.htmltakeonme.org
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · cve@takeonme.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Aug 2023 · 05:15 AM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/cesanta/mongoose/pull/2274Patch
https://github.com/cesanta/mongoose/releases/tag/7.11Release Notes
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