Integer Overflow or Wraparound The advisory has been revoked - it doesn't affect any version of package golang-github-gorilla-websocket (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2010-GOLANGGITHUBGORILLAWEBSOCKET-1048230
- published4 Dec 2020
- disclosed2 Dec 2020
Introduced: 2 Dec 2020
CVE-2020-27813 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream golang-github-gorilla-websocket package and not the golang-github-gorilla-websocket package as distributed by Ubuntu.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-27813
- 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