GitLab 13.5 < 14.2.6 / 14.3 < 14.3.4 / 14.4 < 14.4.1 (CVE-2021-39906)

medium Nessus Plugin ID 159924

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 validation of ipynb files in GitLab CE/EE version 13.5 and above allows an attacker to execute arbitrary JavaScript code on the victim's behalf. (CVE-2021-39906)

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 14.2.6, 14.3.4, 14.4.1 or later.

See Also

http://www.nessus.org/u?5372ab59

https://gitlab.com/gitlab-org/gitlab/-/issues/341566

https://hackerone.com/reports/1347600

Plugin Details

Severity: Medium

ID: 159924

File Name: gitlab_cve-2021-39906.nasl

Version: 1.7

Type: combined

Agent: unix

Family: CGI abuses

Published: 4/20/2022

Updated: 10/23/2024

Configuration: Enable thorough checks

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.0

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2021-39906

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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: 4/11/2021

Vulnerability Publication Date: 4/11/2021

Reference Information

CVE: CVE-2021-39906

IAVA: 2021-A-0523-S