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GitLab 13.7 < 15.7.8 / 15.8 < 15.8.4 / 15.9 < 15.9.2 (CVE-2023-0050)

medium Nessus Plugin ID 172078

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Synopsis

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

Description

The version of GitLab installed on the remote host is prior to 15.7.8, 15.8.4, 15.9.2. It is, therefore, affected by a vulnerability as referenced in the SECURITY-RELEASE-GITLAB-15-9-2-RELEASED advisory.

 - An issue has been discovered in GitLab affecting all versions starting from 13.7 before 15.7.8, all versions starting from 15.8 before 15.8.4, all versions starting from 15.9 before 15.9.2. A specially crafted Kroki diagram could lead to a stored XSS on the client side which allows attackers to perform arbitrary actions on behalf of victims. This is a high severity issue (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N, 8.7). It is now mitigated in the latest release and is assigned CVE-2023-0050. (CVE-2023-0050)

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 15.7.8, 15.8.4, 15.9.2 or later.

See Also

http://www.nessus.org/u?56ed9a15

Plugin Details

Severity: Medium

ID: 172078

File Name: gitlab_CVE-2023-0050.nasl

Version: 1.3

Type: combined

Agent: unix

Family: CGI abuses

Published: 3/3/2023

Updated: 4/6/2023

Configuration: Enable thorough checks

Supported Sensors: Nessus Agent

Risk Information

VPR

Risk Factor: Low

Score: 3.0

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2023-0050

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: 3/2/2023

Vulnerability Publication Date: 3/2/2023

Reference Information

CVE: CVE-2023-0050

IAVA: 2023-A-0122-S