GitLab Security Release: 12.10.2, 12.9.5, 12.8.10

Today we are releasing versions 12.10.2, 12.9.5, 12.8.10 for GitLab Community Edition (CE) and Enterprise Edition (EE).

These versions contain 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.

Path Traversal in NuGet Package Registry

It was possible to use a malicious NuGet package to read any *.nupkg file on the system. This issue is now mitigated in the latest release and is assigned CVE-2020-12448.

Thanks @saltyyolk of Chaitin Tech for responsibly reporting this vulnerability to us.

Versions Affected

Affects GitLab EE 12.8 and later.

Remediation

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

Workhorse Bypass Leads to File Disclosure

A specially crafted request could bypass the GitLab Workhorse and read files in certain specific paths on the server. This issue is now mitigated in the latest release and is assigned CVE-2020-12448.

Thanks @vakzz for responsibly reporting this vulnerability to us.

Versions Affected

Affects GitLab EE/CE 11.5 and later.

Remediation

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

OAuth Application Client Secrets Revealed

A vulnerability allowed any user to retrieve OAuth application client secrets after authorizing. This issue is now mitigated in the latest release and is assigned CVE-2020-10187.

Thanks @stefansundin for responsibly reporting this vulnerability to us.

Versions Affected

Affects GitLab EE/CE 12.8 and later.

Remediation

We strongly recommend that all installations running an affected version above are upgraded to the latest version as soon as possible. Additionally, the OAuth client secrets should be rotated if your HTTP logs show that the /oauth/authorized_applications.json path has been accessed.

Code Owners Approval Rules Are Not Updated for Existing Merge Requests When Source Branch Changes

It was possible to bypass code owners approval by committing changes in a specific order. This issue is now mitigated in the latest release and is assigned CVE-2020-12449.

Thanks @nathanielwyliet for responsibly reporting this vulnerability to us.

Versions Affected

Affects GitLab EE 12.6 and later.

Remediation

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

Code Owners Protection Not Enforced from Web UI

It was possible to bypass code owners approval by committing changes through the web interface. This issue is now mitigated in the latest release and is assigned CVE-2020-12451.

Thanks @zane.wright for responsibly reporting this vulnerability to us.

Versions Affected

Affects GitLab EE 12.9 and later.

Remediation

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

Repository Mirror Passwords Exposed To Maintainers

When a maintainer deleted a repository mirror, the HTTP response contained the passwords set for the other mirrors on the same repository. This issue is now mitigated in the latest release and is assigned CVE-2020-12450.

Versions Affected

Affects GitLab EE/CE 11.6 and later.

Remediation

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

Admin Audit Log Page Denial of Service

A specific API call could make the admin audit log page inaccessible. This issue is now mitigated in the latest release and is assigned CVE-2020-12452.

Thanks @xanbanx for responsibly reporting this vulnerability to us.

Versions Affected

Affects GitLab EE 12.7 and later.

Remediation

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

Private Project ID Revealed Through Group API

If a public group contained a private project that was used as a template, its ID was revealed in the group API. This issue is now mitigated in the latest release and is assigned CVE-2020-12453.

Thanks @ashish_r_padelkar for responsibly reporting this vulnerability to us.

Versions Affected

Affects GitLab EE 11.5 and later.

Remediation

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

Elasticsearch Credentials Logged to ELK

The data logged in ELK after modifying the Elasticsearch integration through the admin setting page contained credentials. This issue is now mitigated in the latest release and is assigned CVE-2020-12454.

Versions Affected

Affects GitLab EE 8.4 and later.

Remediation

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

GitHub Personal Access Token Exposed on Integrations Page

The GitHub Personal Access Token field was not masked on the integration settings page. This issue is now mitigated in the latest release and is assigned CVE-2020-12455.

Thanks @kylifornication for responsibly reporting this vulnerability to us.

Versions Affected

Affects GitLab EE 10.6 and later.

Remediation

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

Update Nokogiri dependency in Gitaly

The Nokogiri dependency has been upgraded to 1.10.9 in Gitaly. This upgrade includes a security fix for CVE-2020-7595.

Versions Affected

Affects all previous versions of GitLab CE/EE.

Remediation

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

Update OpenSSL Dependency

The OpenSSL dependency has been upgraded from 1.1.1f to 1.1.1g. This upgrade includes a security fix for CVE-2020-1967.

Versions Affected

Affects GitLab Omnibus 12.4 and later.

Remediation

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

Update git

git has been updated to version 2.24.3. This upgrade includes a security fix for CVE-2020-11008.

Versions Affected

Affects all previous versions of GitLab Omnibus.

Remediation

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

Updating

To update GitLab, see the update page.

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