SB2020062001 - Multiple vulnerabilities in GitLab, Gitlab Community Edition

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Main Vulnerability Database SB2020062001

SB2020062001 - Multiple vulnerabilities in GitLab, Gitlab Community Edition

Published: June 20, 2020 Updated: July 17, 2020

Security Bulletin ID SB2020062001
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 67% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 vulnerabilities.


1) Insufficiently protected credentials (CVE-ID: CVE-2020-13261)

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

Amazon EKS credentials disclosure in GitLab CE/EE 12.6 and later through 13.0.1 allows other administrators to view Amazon EKS credentials via HTML source code


2) Information disclosure (CVE-ID: CVE-2020-13264)

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

Kubernetes cluster token disclosure in GitLab CE/EE 10.3 and later through 13.0.1 allows other group maintainers to view Kubernetes cluster token


3) Cross-site scripting (CVE-ID: CVE-2020-13262)

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Client-Side code injection through Mermaid markup in GitLab CE/EE 12.9 and later through 13.0.1 allows a specially crafted Mermaid payload to PUT requests on behalf of other users via clicking on a link


4) Insufficient verification of data authenticity (CVE-ID: CVE-2020-13265)

The vulnerability allows a remote non-authenticated attacker to manipulate data.

User email verification bypass in GitLab CE/EE 12.5 and later through 13.0.1 allows user to bypass email verification


5) Resource exhaustion (CVE-ID: CVE-2020-13273)

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

A Denial of Service vulnerability allowed exhausting the system resources in GitLab CE/EE 12.0 and later through 13.0.1


6) Resource exhaustion (CVE-ID: CVE-2020-13274)

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

A security issue allowed achieving Denial of Service attacks through memory exhaustion by uploading malicious artifacts in all previous GitLab versions through 13.0.1


Remediation

Install update from vendor's website.

References