Buffer overflow in Silabs Gecko Software Development Kit
CVE-2023-31247
A memory corruption vulnerability exists in the HTTP Server Host header parsing functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted network packet can lead to code execution. An attacker can send a malicious packet to trigger this vulnerability.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (75.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Silabs Gecko Software Development Kit — versions 4.3.1
- Silicon Labs Gecko Platform — versions 4.3.1.0
- Weston Embedded Cesium Net — versions 3.07.01
- Weston Embedded Uc-Http — versions v3.01.01
- Weston-Embedded Cesium Net — versions 3.07.01
- Weston-Embedded Uc-Http — versions 3.01.01
Weakness classification (CWE)
References
- talosintelligence.com/vulnerability_reports/TALOS-2023-1746 (Technical Description, Exploit, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-31247?
- CVE-2023-31247 is a critical-severity vulnerability in Silabs Gecko Software Development Kit, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.0/10. Published 2023-11-14.
- How severe is CVE-2023-31247?
- Critical severity. CVSS v3 base score is 9.0 out of 10.