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GitLab 14.3 < 14.4.5 / 14.5 < 14.5.3 / 14.6 < 14.6.2 (CVE-2021-39946)

medium Nessus Plugin ID 159957

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Synopsis

The version of GitLab installed on the remote host is affected by a vulnerability.

Description

The version of GitLab installed on the remote host is affected by a vulnerability, as follows:

 - Improper neutralization of user input in GitLab CE/EE versions 14.3 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed an attacker to exploit XSS by abusing the generation of the HTML code related to emojis (CVE-2021-39946)

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

Solution

Upgrade to GitLab version 14.4.5, 14.5.3, 14.6.2 or later.

See Also

http://www.nessus.org/u?90ddb636

Plugin Details

Severity: Medium

ID: 159957

File Name: gitlab_cve-2021-39946.nasl

Version: 1.5

Type: combined

Agent: unix

Family: CGI abuses

Published: 4/20/2022

Updated: 1/3/2024

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.0

CVSS v2

Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.6

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

CVSS Score Source: CVE-2021-39946

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.7

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

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

Vulnerability Information

CPE: cpe:/a:gitlab:gitlab

Required KB Items: installed_sw/GitLab

Exploit Ease: No known exploits are available

Patch Publication Date: 1/18/2021

Vulnerability Publication Date: 1/18/2021

Reference Information

CVE: CVE-2021-39946

IAVA: 2022-A-0021-S