Advisory - Sourcetree for Windows - CVE-2018-5226

From: Atlassian <security@atlassian.com>
To: bugtraq@securityfocus.com
Cc:
Subject: Advisory - Sourcetree for Windows - CVE-2018-5226
Date:


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This email refers to the advisory found at
https://confluence.atlassian.com/x/ERyUO .


CVE ID:

* CVE-2018-5226.


Product: Sourcetree for Windows.

Affected Sourcetree for Windows product versions:

version < 2.5.5.0


Fixed Sourcetree for Windows product versions:

* Sourcetree for Windows 2.5.5.0 has been released with a fix for this issue.


Summary:
This advisory discloses a critical severity security vulnerability. Versions of
Sourcetree for Windows before version 2.5.5.0 are affected by this
vulnerability.



Customers who have upgraded Sourcetree for Windows to version 2.5.5.0 are not
affected.
Customers using Sourcetree for Mac are not affected.

Customers who have downloaded and installed Sourcetree for Windows less than
2.5.5.0 please upgrade your Sourcetree for Windows installations immediately to
fix this vulnerability.



SourceTree for Windows - Argument injection via Mercurial tag names -
CVE-2018-5226

Severity:
Atlassian rates the severity level of this vulnerability as critical, according
to the scale published in our Atlassian severity levels. The scale allows us to
rank the severity as critical, high, moderate or low.
This is our assessment and you should evaluate its applicability to your own IT
environment.


Description:

There was an argument injection vulnerability in Sourcetree for Windows via
Mercurial repository tag name that is going to be deleted. An attacker with
permission to create a tag on a Mercurial repository linked in Sourcetree for
Windows is able to exploit this issue to gain code execution on the system. All
versions of Sourcetree for Windows before 2.5.5.0 are affected by this
vulnerability.
Versions of Sourcetree for Windows before version 2.5.5.0 are affected by this
vulnerability. This issue can be tracked at:
https://jira.atlassian.com/browse/SRCTREEWIN-8509 .



Fix:

To address this issue, we've released the following versions containing a fix:

* Sourcetree for Windows version 2.5.5.0

Remediation:

Upgrade Sourcetree for Windows to version 2.5.5.0 or higher.

The vulnerabilities and fix versions are described above. If affected, you
should upgrade to the latest version immediately.




For a full description of the latest version of Sourcetree for Windows, see
the release notes found at
https://www.sourcetreeapp.com/update/windows/ga/ReleaseNotes_2.5.5.html. You can
download the latest version of Sourcetree for Windows from the download centre
found at https://www.sourcetreeapp.com/.

Acknowledgements:
Atlassian would like to credit ZhangTianqi @ Tophant for reporting this issue to
us.



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