Debian DLA-2520-1 : golang-websocket security update

high Nessus Plugin ID 144825

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Synopsis

The remote Debian host is missing a security update.

Description

There was an integer overflow vulnerability concerning the length of websocket frames received via a websocket connection. An attacker could use this flaw to cause a denial of service attack on an HTTP Server allowing websocket connections.

For Debian 9 stretch, this problem has been fixed in version 1.1.0-1+deb9u1.

We recommend that you upgrade your golang-websocket packages.

For the detailed security status of golang-websocket please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/golang-websocket

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

Plugin Details

Severity: High

ID: 144825

File Name: debian_DLA-2520.nasl

Version: 1.3

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 1/11/2021

Updated: 1/30/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2020-27813

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:9.0, p-cpe:/a:debian:debian_linux:golang-github-gorilla-websocket-dev, p-cpe:/a:debian:debian_linux:golang-websocket-dev

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 1/6/2021

Vulnerability Publication Date: 12/2/2020

Reference Information

CVE: CVE-2020-27813

Detections

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