SB2024052309 - Multiple vulnerabilities in GitLab Community Edition (CE) and Enterprise Edition (EE)



SB2024052309 - Multiple vulnerabilities in GitLab Community Edition (CE) and Enterprise Edition (EE)

Published: May 23, 2024

Security Bulletin ID SB2024052309
Severity
Medium
Patch available
YES
Number of vulnerabilities 7
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 14% Low 86%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 7 secuirty vulnerabilities.


1) Improper Authorization (CVE-ID: N/A)

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to improper authorization. A remote user can utilize a specially crafted naming convention to bypass pipeline authorization logic.


2) Cross-site scripting (CVE-ID: CVE-2024-4835)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the code editor in gitlab.com. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


3) Input validation error (CVE-ID: CVE-2024-2874)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the "description" field of the runner. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.


4) Cross-site request forgery (CVE-ID: CVE-2023-7045)

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in the K8s cluster-integration. A remote user can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.


5) Incorrect Regular Expression (CVE-ID: CVE-2023-6502)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation when processing regular expressions on wiki render API/Page. A remote user can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.


6) Resource exhaustion (CVE-ID: CVE-2024-1947)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources within test_report API calls. A remote user can trigger resource exhaustion and perform a denial of service (DoS) attack.


7) Information disclosure (CVE-ID: N/A)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote user can view dependency lists of private projects through job artifacts.


Remediation

Install update from vendor's website.