SB2020012829 - Multiple vulnerabilities in GitLab, Gitlab Community Edition

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Main Vulnerability Database SB2020012829

SB2020012829 - Multiple vulnerabilities in GitLab, Gitlab Community Edition

Published: January 28, 2020 Updated: July 17, 2020

Security Bulletin ID SB2020012829
CSH Severity
High
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Improper Privilege Management (CVE-ID: CVE-2019-5462)

CWE-ID: CWE-269 - Improper Privilege Management

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


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

A privilege escalation issue was discovered in GitLab CE/EE 9.0 and later when trigger tokens are not rotated once ownership of them has changed.


2) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2019-5464)

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


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

A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the `url_blocker.rb` which could result in SSRF where the library is utilized.


3) Information disclosure (CVE-ID: CVE-2019-5465)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


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

An information disclosure issue was discovered in GitLab CE/EE 8.14 and later, by using the move issue feature which could result in disclosure of the newly created issue ID.


4) Information disclosure (CVE-ID: CVE-2019-5466)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


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

An IDOR was discovered in GitLab CE/EE 11.5 and later that allowed new merge requests endpoint to disclose label names.


Remediation

Install update from vendor's website.

References