SB2020010312 - Multiple vulnerabilities in GitLab, Gitlab Community Edition



SB2020010312 - Multiple vulnerabilities in GitLab, Gitlab Community Edition

Published: January 3, 2020 Updated: July 17, 2020

Security Bulletin ID SB2020010312
Severity
High
Patch available
YES
Number of vulnerabilities 14
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 64% Medium 7% Low 29%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 14 secuirty vulnerabilities.


1) Improper access control (CVE-ID: CVE-2019-19255)

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

The vulnerability exists due to improper access restrictions. A remote attacker can send a specially crafted request and gain unauthorized access to the affected application.


2) Improper access control (CVE-ID: CVE-2019-19256)

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

The vulnerability exists due to improper access restrictions. A remote attacker can send a specially crafted request and gain unauthorized access to the affected application.


3) Improper access control (CVE-ID: CVE-2019-19257)

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

The vulnerability exists due to improper access restrictions. A remote attacker can send a specially crafted request and gain unauthorized access to the affected application.


4) Improper access control (CVE-ID: CVE-2019-19258)

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

The vulnerability exists due to improper access restrictions. A remote attacker can send a specially crafted request and gain unauthorized access to the affected application.


5) Authorization bypass through user-controlled key (CVE-ID: CVE-2019-19259)

The vulnerability allows a remote authenticated user to manipulate data.

GitLab Enterprise Edition (EE) 11.3 and later through 12.5 allows an Insecure Direct Object Reference (IDOR).


6) Improper access control (CVE-ID: CVE-2019-19260)

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

The vulnerability exists due to improper access restrictions. A remote attacker can send a specially crafted request and gain unauthorized access to the affected application.


7) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2019-19261)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

GitLab Enterprise Edition (EE) 6.7 and later through 12.5 allows SSRF.


8) Improper access control (CVE-ID: CVE-2019-19309)

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

The vulnerability exists due to improper access restrictions. A remote attacker can send a specially crafted request and gain unauthorized access to the affected application.


9) Insufficiently protected credentials (CVE-ID: CVE-2019-19310)

The vulnerability allows a remote privileged user to gain access to sensitive information.

GitLab Enterprise Edition (EE) 9.0 and later through 12.5 allows Information Disclosure.


10) Information disclosure (CVE-ID: CVE-2019-19086)

The vulnerability allows a remote authenticated user to gain access to sensitive information.

Gitlab Enterprise Edition (EE) before 12.5.1 has Insecure Permissions (issue 1 of 2).


11) Information disclosure (CVE-ID: CVE-2019-19087)

The vulnerability allows a remote authenticated user to gain access to sensitive information.

Gitlab Enterprise Edition (EE) before 12.5.1 has Insecure Permissions (issue 2 of 2).


12) Path traversal (CVE-ID: CVE-2019-19088)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Gitlab Enterprise Edition (EE) 11.3 through 12.4.2 allows Directory Traversal.


13) Improper access control (CVE-ID: CVE-2019-19254)

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

The vulnerability exists due to improper access restrictions. A remote attacker can send a specially crafted request and gain unauthorized access to the affected application.


14) Cross-site scripting (CVE-ID: CVE-2019-19311)

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. 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.


Remediation

Install update from vendor's website.