Buffer overflow in Cesanta Mongoose
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 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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (61.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Cesanta Mongoose — versions 7.10, 7.11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- takeonme.org/cves/CVE-2023-2905.html (Exploit, technical-description, Patch, Third Party Advisory, exploit, third-party-advisory)
- github.com/cesanta/mongoose/pull/2274 (Patch, patch)
- github.com/cesanta/mongoose/releases/tag/7.11 (release-notes, Release Notes)
Frequently asked questions
- What is CVE-2023-2905?
- CVE-2023-2905 is a high-severity vulnerability in Cesanta Mongoose, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2023-08-09.
- How severe is CVE-2023-2905?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2023-2905 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.