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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.3754
       GitLab Critical Security Release: 12.3.5, 12.2.8, and 12.1.14
                              8 October 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           GitLab
Publisher:         GitLab
Operating System:  UNIX variants (UNIX, Linux, OSX)
                   Virtualisation
Impact/Access:     Access Confidential Data -- Unknown/Unspecified
Resolution:        Patch/Upgrade

Original Bulletin: 
   https://about.gitlab.com/2019/10/07/security-release-gitlab-12-dot-3-dot-5-released/

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         GitLab Critical Security Release: 12.3.5, 12.2.8, and 12.1.14

   Today we are releasing versions 12.3.5, 12.2.8, and 12.1.14 for GitLab
   Community Edition (CE) and Enterprise Edition (EE).

   These versions contain an important security fix, and we strongly
   recommend that all GitLab EE installations with enabled Elasticsearch
   integration 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.

Disclosure of Private Merge Requests and Issues via Elasticsearch integration

   Private merge requests and issues would be disclosed with the Group Search
   feature provided by Elasticsearch integration. The issue is now mitigated
   in the latest release and CVE is currently being assigned.

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

  Versions Affected

   Affects GitLab EE 11.5 and later. GitLab CE versions are unaffected.

  Remediation

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

Fixed Geo not syncing new LFS files

   We found a regression in the GitLab Geo code that makes it very likely
   that any new LFS objects are not synchronized to secondary nodes. This
   means that these LFS files cannot be pulled from secondary nodes and
   impacts Disaster Recovery.

  Versions Affected

   Affects GitLab EE 12.1 and later. GitLab CE versions are unaffected.

  Remediation

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

Updating

   To update GitLab, see the Update page.

   https://about.gitlab.com/update

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
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===========================================================================
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