Patch in third party library Consul requires 'enable-script-checks' to be set to False. This was required to enable a patch by the vendor. Without this setting the patch could be bypassed. This only affects GitLab-EE.

The repository import feature in gitlab-shell before 1.7.4, as used in GitLab, allows remote authenticated users to execute arbitrary commands via the import URL.

The SSH key upload feature (lib/gitlab_keys.rb) in gitlab-shell before 1.7.3, as used in GitLab 5.0 before 5.4.1 and 6.x before 6.2.3, allows remote authenticated users to execute arbitrary commands via shell metacharacters in the public key.

GitLab 5.0 before 5.4.2, Community Edition before 6.2.4, Enterprise Edition before 6.2.1 and gitlab-shell before 1.7.8 allows remote attackers to execute arbitrary code via a crafted change using SSH.

GitLab before 5.4.2, Community Edition before 6.2.4, and Enterprise Edition before 6.2.1, when using a MySQL backend, allows remote attackers to impersonate arbitrary users and bypass authentication via unspecified API calls.