CVE-2020-27813 — Integer Overflow or Wraparound in Gorilla Websocket

CWE-190 — Integer Overflow or WraparoundCWE-400 — Uncontrolled Resource Consumption8 documents6 sources
Severity
7.5HIGHNVD
EPSS
0.2%
top 61.14%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Github.com Gorilla WebsocketGorillatoolkit WebsocketDebian Linux+1 more
Timeline
PublishedDec 2
Latest updateJul 6

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

Also affects: Debian Linux 9.0

🔴Vulnerability Details

4
GHSA
Integer overflow in github.com/gorilla/websocket↗2021-05-18
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OSV
Integer overflow in github.com/gorilla/websocket↗2021-05-18
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OSV
Integer overflow in github.com/gorilla/websocket↗2021-04-14
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OSV
CVE-2020-27813: An integer overflow vulnerability exists with the length of websocket frames received via a websocket connection↗2020-12-02
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📋Vendor Advisories

3
Ubuntu
Gorilla WebSocket vulnerability↗2023-07-06
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Debian
CVE-2020-27813: golang-github-gorilla-websocket - An integer overflow vulnerability exists with the length of websocket frames rec...↗2020
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Red Hat
golang-github-gorilla-websocket: integer overflow leads to denial of service↗2019-08-25
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