Sep 10, 2019 - Ethan Strike  

GitLab Critical Security Release: 12.2.5, 12.1.9, and 12.0.9

Today we are releasing versions 12.2.5, 12.1.9, and 12.0.9 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.

Project Template Functionality Could Be Used to Access Restricted Project Data

Project creation using custom group templates had a permission issue that allowed an unauthorized user to clone a project to which they had partial visibility, allowing them to see the restricted information. The issue is now mitigated in the latest release and is assigned CVE-2019-16170.

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

Versions Affected

Affects GitLab EE 11.6 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.

Security Enhancements in GitLab Pages

GitLab Pages is updated in this release with several security enhancements to GitLab Pages Access Control. Improvements include use of the Secure flag on the session cookie, and shortening of the valid session time.

These improvements were identified as part of an internal security review.

Versions Affected

Affects GitLab CE/EE 11.5 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.

Nginx Update

We have patched Nginx, which is included in the GitLab Omnibus package for CVE-2019-9511, CVE-2019-9513, and CVE-2019-9516.

Mattermost Updates

We've included respective Mattermost security versions in 12.2, 12.1 and 12.0.

For more information, see Mattermost security updates page

Updating

To update, check out our update page.

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