Vulnerability in Snapview Tungstenite
CVE-2023-43669
The Tungstenite crate before 0.20.1 for Rust allows remote attackers to cause a denial of service (minutes of CPU consumption) via an excessive length of an HTTP header in a client handshake. The length affects both how many times a parse is attempted (e.g., thousands of times) and the average amount of data for each parse attempt (e.g., millions of bytes).
EPSS: 0.016 (73.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Snapview Tungstenite
- Fedoraproject Fedora — versions 37, 38, 39
- N/a — versions n/a
References
- cve@mitre.org (Exploit, Issue Tracking)
- cve@mitre.org (Technical Description)
- cve@mitre.org (Release Notes)
- cve@mitre.org (Patch)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Patch)
- cve@mitre.org (Third Party Advisory, Issue Tracking)
- cve@mitre.org (Third Party Advisory, Issue Tracking)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-43669?
- CVE-2023-43669 is a high-severity vulnerability in Snapview Tungstenite. CVSS score: 7.5/10. Published 2023-09-21.
- How severe is CVE-2023-43669?
- High severity. CVSS v3 base score is 7.5 out of 10.