High severity · published Aug 9, 2023
CVE-2023-2905
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…
8.8
CVSS
1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Mongoose · Cesanta
7.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-2905
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-2905
Patch
https://github.com/cesanta/mongoose/pull/2274
Release Notes
https://github.com/cesanta/mongoose/releases/tag/7.11
Exploit
https://takeonme.org/cves/CVE-2023-2905.html
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