VDB-222688 · CVE-2023-0050 · Issue 387023

GitLab up to 15.7.7/15.8.3/15.9.1 Kroki Diagram cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in GitLab up to 15.7.7/15.8.3/15.9.1 and classified as problematic. This issue affects some unknown processing of the component Kroki Diagram Handler. Executing a manipulation can lead to cross site scripting. This vulnerability appears as CVE-2023-0050. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in GitLab up to 15.7.7/15.8.3/15.9.1 (Bug Tracking Software). This vulnerability affects an unknown code of the component Kroki Diagram Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

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.

The weakness was presented 03/10/2023 as 387023. The advisory is shared for download at gitlab.com. This vulnerability was named CVE-2023-0050 since 01/04/2023. 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.

Upgrading to version 15.7.8, 15.8.4 or 15.9.2 eliminates this vulnerability.

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

Productinfo

Type

Bug Tracking Software

Name

GitLab

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

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

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 8.7
CNA Vector (GitLab Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: GitLab 15.7.8/15.8.4/15.9.2

Timelineinfo

01/04/2023 🔍
03/10/2023 +65 days 🔍
03/10/2023 +0 days 🔍
04/02/2023 +23 days 🔍

Sourcesinfo

Advisory: 387023
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-0050 (🔍)
GCVE (CVE): GCVE-0-2023-0050
GCVE (VulDB): GCVE-100-222688

Entryinfo

Created: 03/10/2023 07:51
Updated: 04/02/2023 11:57
Changes: 03/10/2023 07:51 (52), 04/02/2023 11:57 (11)
Complete: 🔍
Cache ID: 216::103