GitLab 11.3 < 14.2.6 / 14.3 < 14.3.4 / 14.4 < 14.4.1 (CVE-2021-39909)

medium Nessus Plugin ID 159921

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:

- Lack of email address ownership verification in the CODEOWNERS feature in all versions of GitLab EE starting from 11.3 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 allows an attacker to bypass CODEOWNERS Merge Request approval requirement under rare circumstances (CVE-2021-39909)

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?43ed3a2e

https://gitlab.com/gitlab-org/gitlab/-/issues/335191

https://hackerone.com/reports/1237750

Plugin Details

Severity: Medium

ID: 159921

File Name: gitlab_cve-2021-39909.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: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2021-39909

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/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-2021-39909

IAVA: 2021-A-0523-S