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AUSCERT External Security Bulletin Redistribution
ESB-2018.3627
GitLab Critical Security Release: 11.5.0-rc12, 11.4.6, 11.3.10
21 November 2018
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AusCERT Security Bulletin Summary
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Product: GitLab
Publisher: GitLab
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Create Arbitrary Files -- Existing Account
Cross-site Scripting -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-19359 CVE-2018-18643
Original Bulletin:
https://about.gitlab.com/2018/11/19/critical-security-release-gitlab-11-dot-4-dot-6-released/
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GitLab Critical Security Release: 11.5.0-rc12, 11.4.6, 11.3.10
Today we are releasing versions 11.5.0-rc12, 11.4.6, and 11.3.10 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.
Persistent XSS Autocompletion
An attribute used in autocompletion contained an input validation and output
encoding issue which resulted in a persistent XSS. The issue is now mitigated
in the latest release and is assigned CVE-2018-18643.
Versions Affected
Affects GitLab CE 11.2 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.
Unauthorized service template creation
The project import feature contained an input validation issue that resulted in
the ability for an unauthorized user to create service templates. The issue is
now mitigated in the latest release and is assigned CVE-2018-19359.
Thanks to @jobert for responsibly reporting this vulnerability to us.
Versions Affected
Affects GitLab CE 8.9 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.
Updating
To update, check out our update page.
Updated: 2018-11-20: We have received some questions regarding the XSS
vulnerability in this release and a similar vulnerability reported in October.
The fix in this release does correct an incomplete patch in the October
security release.
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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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