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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.2318
           GitLab Security Release: 13.1.3, 13.0.9 and 12.10.14
                                8 July 2020

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

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

Product:           GitLab Community Edition (CE)
                   GitLab Enterprise Edition (EE)
Publisher:         GitLab
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
                   Virtualisation
Impact/Access:     Access Confidential Data -- Existing Account
                   Reduced Security         -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-15525  

Original Bulletin: 
   https://about.gitlab.com/releases/2020/07/06/critical-security-release-gitlab-13-1-3-released/

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Jul 6, 2020 - Andrew Kelly  

GitLab Security Release: 13.1.3, 13.0.9 and 12.10.14

Today we are releasing versions 13.1.3, 13.0.9 and 12.10.14 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.

GitLab releases patches for vulnerabilities in dedicated security releases.
There are two types of security releases: a monthly, scheduled security
release, released a week after the feature release (which deploys on the 22nd
of each month), and ad-hoc security releases for critical vulnerabilities. You
can see all of our regular and security release blog posts here. In addition,
the issues detailing each vulnerability are made public on our issue tracker 30
days after the release in which they were patched.

We are dedicated to ensuring all aspects of GitLab that are exposed to
customers or that host customer data are held to the highest security
standards. As part of maintaining good security hygiene, it is highly
recommended that all customers upgrade to the latest security release for their
supported version. You can read more best practices in securing your GitLab
instance in our blog post.

Workhorse bypass allows files in /tmp to be read via Maven Repository APIs

The Maven package upload endpoint could be used to override restrictions and
result in the GitLab Workhorse disclosing the existence and contents of files
in the /tmp directory. This issue is now mitigated in the latest release and is
assigned CVE-2020-15525.

Thanks @ledz1996 for responsibly reporting this vulnerability to us.

Versions Affected

Affects GitLab EE 11.3 and later.

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.

Receive Security Release Notifications

To receive security release blog notifications delivered to your inbox, visit
our contact us page. To receive security release blog notifications via RSS,
subscribe to our RSS feed.

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

Internet Email: auscert@auscert.org.au
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