GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to bypass WebAuthn two-factor authentication by manipulating the session state under certain conditions.

For GitLab before 13.0.12, 13.1.6, 13.2.3 a memory exhaustion flaw exists due to excessive logging of an invite email error message.

For GitLab before 13.0.12, 13.1.6, 13.2.3 a denial of service exists in the project import feature

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. In certain cases an invalid username could be accepted when 2FA is activated.

For GitLab before 13.0.12, 13.1.6, 13.2.3 a cross-site scripting (XSS) vulnerability exists in the issue reference number tooltip.

In GitLab before 13.0.12, 13.1.6 and 13.2.3, access grants were not revoked when a user revoked access to an application.

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. A user without 2 factor authentication enabled could be prohibited from accessing GitLab by being invited into a project that had 2 factor authentication inheritance.

Information disclosure via GraphQL in GitLab CE/EE 13.1 and later exposes private group and project membership. This affects versions >=13.6 to <13.6.2, >=13.5 to <13.5.5, and >=13.1 to <13.4.7.

An issue has been discovered in GitLab affecting all versions prior to 13.2.10, 13.3.7 and 13.4.2. Insufficient permission check allows attacker with developer role to perform various deletions.

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab OAuth endpoint was vulnerable to brute-force attacks through a specific parameter.

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab Omniauth endpoint allowed a malicious user to submit content to be displayed back to the user within error messages.

A vulnerability was discovered in GitLab versions prior to 13.1. Under certain conditions the restriction for Github project import could be bypassed.

A vulnerability was found in libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring.

References: https://bugs.gentoo.org/717920 https://www.pcre.org/original/changelog.txt

Improper authorization in the vulnerability report feature in GitLab EE affecting all versions since 13.1 allowed a reporter to access vulnerability data

In GitLab before 13.0.12, 13.1.6 and 13.2.3, it is possible to bypass E-mail verification which is required for OAuth Flow.

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was not validating a Deploy-Token and allowed a disabled repository be accessible via a git command line.

Under very specific conditions a user could be impersonated using Gitlab shell. This vulnerability affects GitLab CE/EE 13.1 and later through 14.1.2, 14.0.7 and 13.12.9.

An authorization issue discovered in the deploy token handling allowed read access to public projects with restricted repositories. This issue is now mitigated in the latest release and is assigned CVE-2020-13296.

For GitLab before 13.0.12, 13.1.6, 13.2.3 user controlled git configuration settings can be modified to result in Server Side Request Forgery.

In GitLab before 13.0.12, 13.1.6, and 13.2.3, a stored XSS vulnerability exists in the CI/CD Jobs page

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. API Authorization Using Outdated CI Job Token

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8, and 13.3.4. An insufficient check in the GraphQL api allowed a maintainer to delete a repository.

GitLab has remediated an issue in GitLab EE affecting all versions from 13.1 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with reporter-role permissions who authored a merge request could have reset merge request approval rules due to improper authorization checks.

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was not revoking current user sessions when 2 factor authentication was activated allowing a malicious user to maintain their access.

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Project reporters and above could see confidential EPIC attached to confidential issues

For GitLab before 13.0.12, 13.1.6, 13.2.3 a cross-site scripting vulnerability exists in the issues list via milestone title.

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. An unauthorized project maintainer could edit the subgroup badges due to the lack of authorization control.

A vulnerability was discovered in GitLab versions prior 13.1. Under certain conditions private merge requests could be read via Todos

An issue was discovered in Gitlab CE/EE versions >= 13.1 to <13.4.7, >= 13.5 to <13.5.5, and >= 13.6 to <13.6.2 allowed an unauthorized user to access the user list corresponding to a feature flag in a project.

For GitLab before 13.0.12, 13.1.6, 13.2.3 after a group transfer occurs, members from a parent group keep their access level on the subgroup leading to improper access.