Integer Overflow or Wraparound Affecting golang-websocket package, versions <1.1.0-1+deb9u1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.16% (54th percentile)

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  • Snyk IDSNYK-DEBIAN9-GOLANGWEBSOCKET-1047351
  • published30 Nov 2020
  • disclosed2 Dec 2020

Introduced: 30 Nov 2020

CVE-2020-27813  (opens in a new tab)
CWE-190  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Debian:9 golang-websocket to version 1.1.0-1+deb9u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream golang-websocket package and not the golang-websocket package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

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 Base Scores

version 3.1