Rewterz Threat Advisory – Multiple GitLab Community and Enterprise Edition Vulnerabilities

Severity

High

Analysis Summary

CVE-2022-1680 CVSS:9.9

GitLab Enterprise Edition could allow a remote authenticated attacker to bypass security restrictions, caused by a flaw in the the SCIM feature when group SAML SSO is configured. By sending a specially-crafted request to invite arbitrary users through their username and email, an attacker could exploit this vulnerability to take over the invited accounts and change the display name and username.

CVE-2022-1940 CVSS:8

GitLab Enterprise Edition is vulnerable to cross-site scripting, caused by improper validation of user-supplied input in Jira Issues. A remote authenticated attacker could exploit this vulnerability to inject malicious script into a Web page which would be executed in a victim’s Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

CVE-2022-1935 CVSS:6.5

GitLab Enterprise Edition could allow a remote authenticated attacker to bypass security restrictions, caused by an incorrect authorization flaw when using a valid Project Trigger token. By sending a specially-crafted request, an attacker could exploit this vulnerability to perform IP allowlist bypass.

CVE-2022-1936 CVSS:6.5
GitLab Enterprise Edition could allow a remote authenticated attacker to bypass security restrictions, caused by an incorrect authorization flaw when using a valid Project Deploy token. By sending a specially-crafted request, an attacker could exploit this vulnerability to perform IP allowlist bypass.

CVE-2022-1783 CVSS:2.7
GitLab Enterprise Edition could allow a remote authenticated attacker to bypass security restrictions, caused by improper access control. By sending a specially-crafted request using the the REST API, an attacker could exploit this vulnerability to perform group member lock bypass to add new members to a project within their group.

CVE-2022-1821 CVSS:4.3
GitLab Community and Enterprise Edition could allow a remote authenticated attacker to obtain sensitive information, caused by improper access control. By sending a specially-crafted request, an attacker could exploit this vulnerability to access the members list of their parent group, and use this information to launch further attacks against the affected system.

CVE-2022-1948 CVSS:8.7
GitLab Community and Enterprise Edition are vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the quick action commands. A remote authenticated attacker could exploit this vulnerability to inject malicious script into a Web page which would be executed in a victim’s Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

Impact

• Security Bypass
• Cross-Site Scripting
• Information Disclosure

Indicators Of Compromise

CVE

• CVE-2022-1680
• CVE-2022-1940
• CVE-2022-1935
• CVE-2022-1936
• CVE-2022-1783
• CVE-2022-1821
• CVE-2022-1948

Affected Vendors

GitLab

Affected Products

• GitLab Enterprise Edition 11.0
• GitLab Enterprise Edition 14.9.4
• GitLab Enterprise Edition 14.10.3
• GitLab Enterprise Edition 15.0
• GitLab Enterprise Edition 13.11
• GitLab Enterprise Edition 12.0
• GitLab Community Edition 10.8
• GitLab Community Edition 15.0

Remediation

Refer to GitLab Web site for patch, upgrade or suggested workaround information. 

GitLab Web site