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Rewterz Threat Advisory – Multiple GitLab Community Edition and Enterprise Edition Vulnerabilities

Severity

Medium

Analysis Summary

CVE-2023-3246 CVSS:4.3

GitLab Community Edition and Enterprise Edition are vulnerable to a denial of service. By sending a specially crafted request, a remote authenticated attacker could exploit this vulnerability to block Sidekiq job processor.

CVE-2023-3909 CVSS:4.3

GitLab Community Edition and Enterprise Edition are vulnerable to a denial of service. By adding a large string in timeout input in gitlab-ci.yml file, a remote authenticated attacker could exploit this vulnerability to cause a regular expression denial of service.

CVE-2023-5831 CVSS:3.7

GitLab Community Edition and Enterprise Edition could allow a remote attacker to obtain sensitive information, caused by a flaw when super_sidebar_logged_out feature flag is enabled. By sending a specially crafted requests, a remote attacker could exploit this vulnerability to obtain sensitive information.

CVE-2023-4700 CVSS:3.5

GitLab Community Edition and Enterprise Edition could allow a remote authenticated attacker to bypass security restrictions. By sending a specially crafted request, an attacker could exploit this vulnerability to run jobs in protected environments, bypassing any required approvals.

CVE-2023-5600 CVSS:4.3

GitLab Community Edition and Enterprise Edition could allow a remote authenticated attacker to obtain sensitive information. By using the service-desk template, a remote attacker could exploit this vulnerability to obtain titles.

CVE-2023-5825 CVSS:6.5

GitLab Community Edition and Enterprise Edition are vulnerable to a denial of service, caused by an infinite loop. By sending a specially crafted request, a remote authenticated attacker could exploit this vulnerability to cause the server to exhaust all available memory.

CVE-2023-3399 CVSS:6.5

GitLab Community Edition and Enterprise Edition could allow a remote authenticated attacker to obtain sensitive information. By using the custom project templates, a remote attacker could exploit this vulnerability to read the CI/CD variables.

Impact

  • Denial of Service
  • Information Disclosure
  • Security Bypass

Indicators Of Compromise

CVE

  • CVE-2023-3246
  • CVE-2023-3909
  • CVE-2023-5831
  • CVE-2023-4700
  • CVE-2023-5600
  • CVE-2023-5825
  • CVE-2023-3399

Affected Vendors

GitLab

Affected Products

  • GitLab Enterprise Edition 16.5.0
  • GitLab Community Edition 16.5.0
  • GitLab Enterprise Edition 16.4.1
  • GitLab Community Edition 16.4.1
  • GitLab Enterprise Edition 16.3.5
  • GitLab Community Edition 16.3.5

Remediation

Upgrade to the latest version of GitLab Community Edition (CE) and Enterprise Edition (EE), available from the GitLab Web site.

GitLab Web site

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