GitLab 8.15 < 14.3.6 / 14.4 < 14.4.4 / 14.5 < 14.5.2 (CVE-2021-39938)

medium Nessus Plugin ID 187438

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:

- A vulnerable regular expression pattern in GitLab CE/EE since version 8.15 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker to cause uncontrolled resource consumption leading to Denial of Service via specially crafted deploy Slash commands (CVE-2021-39938)

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 14.3.6, 14.4.4, 14.5.2 or later.

See Also

http://www.nessus.org/u?febc9fc6

https://gitlab.com/gitlab-org/gitlab/-/issues/344873

Plugin Details

Severity: Medium

ID: 187438

File Name: gitlab_cve-2021-39938.nasl

Version: 1.1

Type: combined

Agent: unix

Family: CGI abuses

Published: 1/2/2024

Updated: 5/17/2024

Configuration: Enable thorough checks

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2021-39938

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/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:/a:gitlab:gitlab

Required KB Items: installed_sw/GitLab

Exploit Ease: No known exploits are available

Patch Publication Date: 12/6/2021

Vulnerability Publication Date: 12/6/2021

Reference Information

CVE: CVE-2021-39938