GitLab Community Edition/Enterprise Edition up to 11.3.10/11.4.7/11.5.0 Markdown cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 11.3.10/11.4.7/11.5.0. It has been declared as problematic. This affects an unknown function of the component Markdown Handler. The manipulation results in cross site scripting. This vulnerability is known as CVE-2018-19573. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in GitLab Community Edition and Enterprise Edition up to 11.3.10/11.4.7/11.5.0 (Bug Tracking Software). Affected is some unknown processing of the component Markdown Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

GitLab CE/EE, versions 10.3 up to 11.x before 11.3.11, 11.4 before 11.4.8, and 11.5 before 11.5.1, are vulnerable to an XSS vulnerability in Markdown fields via Mermaid.

The weakness was published 07/10/2019 (Website). The advisory is shared for download at about.gitlab.com. This vulnerability is traded as CVE-2018-19573 since 11/26/2018. It is possible to launch the attack remotely. Required for exploitation is a authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability scanner Nessus provides a plugin with the ID 119271 (FreeBSD : Gitlab -- Multiple vulnerabilities (8a4aba2d-f33e-11e8-9416-001b217b3468)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371769 (GitLab Multiple Security Vulnerabilities).

Upgrading to version 11.3.11, 11.4.8 or 11.5.1 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (119271). Similar entries are available at VDB-135175, VDB-137632, VDB-137633 and VDB-137634. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 119271
Nessus Name: FreeBSD : Gitlab -- Multiple vulnerabilities (8a4aba2d-f33e-11e8-9416-001b217b3468)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Community Edition/Enterprise Edition 11.3.11/11.4.8/11.5.1

Timelineinfo

11/26/2018 🔍
11/28/2018 +2 days 🔍
11/29/2018 +1 days 🔍
07/10/2019 +223 days 🔍
07/11/2019 +1 days 🔍
06/23/2024 +1809 days 🔍

Sourcesinfo

Vendor: gitlab.com

Advisory: 45906
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-19573 (🔍)
GCVE (CVE): GCVE-0-2018-19573
GCVE (VulDB): GCVE-100-137640
SecurityFocus: 109164

See also: 🔍

Entryinfo

Created: 07/11/2019 10:16
Updated: 06/23/2024 14:25
Changes: 07/11/2019 10:16 (66), 07/03/2020 13:01 (1), 10/24/2023 09:16 (5), 06/23/2024 14:25 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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