| Name | CVE-2020-27813 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-2520-1 |
| NVD severity | medium |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| golang-github-gorilla-websocket (PTS) | bullseye, sid | 1.4.2-1 | fixed |
| golang-websocket (PTS) | stretch | 1.1.0-1 | vulnerable |
| stretch (security) | 1.1.0-1+deb9u1 | fixed | |
| buster | 1.4.0-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| golang-github-gorilla-websocket | source | (unstable) | (not affected) | |||
| golang-websocket | source | stretch | 1.1.0-1+deb9u1 | DLA-2520-1 | ||
| golang-websocket | source | (unstable) | (unfixed) |
- golang-github-gorilla-websocket <not-affected> (Fixed with first upload to Debian with renamed source package)
https://github.com/gorilla/websocket/security/advisories/GHSA-jf24-p9p9-4rjh
https://github.com/gorilla/websocket/commit/5b740c29263eb386f33f265561c8262522f19d37 (v1.4.1)