Vulnerability Description
An integer overflow vulnerability exists with the length of websocket frames received via a websocket connection. An attacker would use this flaw to cause a denial of service attack on an HTTP Server allowing websocket connections.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gorillatoolkit | Websocket | < 1.4.1 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1902111Issue TrackingThird Party Advisory
- https://github.com/gorilla/websocket/security/advisories/GHSA-jf24-p9p9-4rjhThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/01/msg00008.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/05/msg00012.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1902111Issue TrackingThird Party Advisory
- https://github.com/gorilla/websocket/security/advisories/GHSA-jf24-p9p9-4rjhThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/01/msg00008.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/05/msg00012.html
FAQ
What is CVE-2020-27813?
CVE-2020-27813 is a vulnerability with a CVSS score of 7.5 (HIGH). An integer overflow vulnerability exists with the length of websocket frames received via a websocket connection. An attacker would use this flaw to cause a denial of service attack on an HTTP Server ...
How severe is CVE-2020-27813?
CVE-2020-27813 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-27813?
Check the references section above for vendor advisories and patch information. Affected products include: Gorillatoolkit Websocket, Debian Debian Linux.