GitLab 12.3 < 16.3.6 / 16.4 < 16.4.2 / 16.5 < 16.5.1 (CVE-2023-3909)

medium Nessus Plugin ID 185481

Synopsis

The GitLab instance installed on the remote host is affected by a DoS vulnerability.

Description

The version of GitLab installed on the remote host is between 12.3 prior to 16.3.6, 16.4 prior to 16.4.2 or 16.5 prior to 16.5.1. It is, therefore, affected by a denial of service vulnerability as referenced in the vendor advisory.

- A Regular Expression Denial of Service was possible by adding a large string in timeout input in gitlab-ci.yml file. (CVE-2023-3909)

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 16.3.6, 16.4.2, 16.5.1 or later.

See Also

http://www.nessus.org/u?ec27dd58

Plugin Details

Severity: Medium

ID: 185481

File Name: gitlab_CVE-2023-3909.nasl

Version: 1.3

Type: combined

Agent: unix

Family: CGI abuses

Published: 11/13/2023

Updated: 12/8/2023

Configuration: Enable thorough checks

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2023-3909

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: 10/31/2023

Vulnerability Publication Date: 10/31/2023

Reference Information

CVE: CVE-2023-3909

IAVA: 2023-A-0599-S