Vulnerability Details CVE-2020-27813
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.021
EPSS Ranking 79.5%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1902111
- https://github.com/gorilla/websocket/security/advisories/GHSA-jf24-p9p9-4rjh
- https://lists.debian.org/debian-lts-announce/2021/01/msg00008.html
- https://lists.debian.org/debian-lts-announce/2023/05/msg00012.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1902111
- https://github.com/gorilla/websocket/security/advisories/GHSA-jf24-p9p9-4rjh
- https://lists.debian.org/debian-lts-announce/2021/01/msg00008.html
- https://lists.debian.org/debian-lts-announce/2023/05/msg00012.html
Products affected by CVE-2020-27813
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cpe:2.3:a:gorillatoolkit:websocket:1.0.0
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cpe:2.3:a:gorillatoolkit:websocket:1.1.0
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cpe:2.3:a:gorillatoolkit:websocket:1.2.0
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cpe:2.3:a:gorillatoolkit:websocket:1.3.0
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cpe:2.3:a:gorillatoolkit:websocket:1.4.0
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cpe:2.3:o:debian:debian_linux:9.0