Jul 26, 2018 - James Ritchey  

GitLab Security Release: 11.1.2, 11.0.5, and 10.8.7

Today we are releasing versions 11.1.2, 11.0.5, and 10.8.7 for GitLab Community Edition (CE) and Enterprise Edition (EE).

These versions contain a number of important security fixes, and we strongly recommend that all GitLab installations be upgraded to one of these versions immediately.

The vulnerability details will be made public on our issue tracker in approximately 30 days.

Please read on for more information regarding this release.

Markdown DoS

An 11.1.0 regression caused Markdown rendering times to slow exponentially, possibly leading to a denial of service. This issue is now resolved in the latest release and is assigned to CVE-2018-14601.

Versions Affected

Affects GitLab CE/EE 11.1.0.

Remediation

We strongly recommend that all installations running an affected version above to be upgraded to the latest version as soon as possible.

Information Disclosure Prometheus Metrics

GitLab Prometheus metrics was disclosing private project pathnames. This also affected the Prometheus instances on dashboards.gitlab.com. The issue is now resolved in the latest release and is assigned to CVE-2018-14602.

Versions Affected

Affects GitLab CE/EE 9.0 and later.

Remediation

We strongly recommend that all installations running an affected version above to be upgraded to the latest version as soon as possible.

CSRF in System Hooks

The "Test" feature of the System Hooks component contained low severity CSRF vulnerability. The issue is now resolved in the latest release and is assigned to CVE-2018-14603.

Thanks to Lyubomir Tsirkov for responsibly reporting this vulnerability to us.

Versions Affected

Affects GitLab CE/EE 2.7.0pre and later.

Remediation

We strongly recommend that all installations running an affected version above to be upgraded to the latest version as soon as possible.

Persistent XSS Pipeline Tooltip

The tooltip of the job inside the CI/CD pipeline was not properly sanitized and resulted in a persistent XSS. The issue is now resolved in the latest release and is assigned to CVE-2018-14604.

Thanks to @fransrosen for responsibly reporting this vulnerability to us.

Versions Affected

Affects GitLab CE/EE 10.7 and later.

Remediation

We strongly recommend that all installations running an affected version above to be upgraded to the latest version as soon as possible.

Persistent XSS in Branch Name via Web IDE

The branch name was not properly sanitized when committing a file via the Web IDE which resulted in a persistent XSS. The issue is now resolved in the latest release and is assigned to CVE-2018-14605.

Thanks to @fransrosen for responsibly reporting this vulnerability to us.

Versions Affected

Affects GitLab CE/EE 10.7 and later.

Remediation

We strongly recommend that all installations running an affected version above to be upgraded to the latest version as soon as possible.

Persistent XSS Milestone Promotion

When promoting a Milestone, the name of the Milestone is not sanitized properly which results in the notification to trigger a persistent XSS. The issue is now resolved in the latest release and is assigned to CVE-2018-14606.

Thanks to @fransrosen for responsibly reporting this vulnerability to us.

Versions Affected

Affects GitLab CE/EE 10.6 and later.

Remediation

We strongly recommend that all installations running an affected version above to be upgraded to the latest version as soon as possible.

Mattermost Updates

Mattermost has been updated to version 5.0.2, and it contains a security fix that's also been backported to 4.10.2.

For more information, see Mattermost security updates page.

Updating

To update, check out our update page.

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