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Ubuntu 16.04 ESM / 18.04 ESM : Gorilla WebSocket vulnerability (USN-6208-1)

high Nessus Plugin ID 178105

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 ESM / 18.04 ESM host has packages installed that are affected by a vulnerability as referenced in the USN-6208-1 advisory.

 - 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. (CVE-2020-27813)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected golang-github-gorilla-websocket-dev and / or golang-websocket-dev packages.

See Also

https://ubuntu.com/security/notices/USN-6208-1

Plugin Details

Severity: High

ID: 178105

File Name: ubuntu_USN-6208-1.nasl

Version: 1.0

Type: local

Agent: unix

Published: 7/10/2023

Updated: 7/10/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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:canonical:ubuntu_linux:16.04:-:esm, cpe:/o:canonical:ubuntu_linux:18.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:golang-github-gorilla-websocket-dev, p-cpe:/a:canonical:ubuntu_linux:golang-websocket-dev

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/6/2023

Vulnerability Publication Date: 12/2/2020

Reference Information

CVE: CVE-2020-27813

USN: 6208-1