April 2017 - Confluence - Security Advisory

CVE ID:

* CVE-2017-7415.


Product: Confluence.

Affected Confluence product versions:

6.0.0 <= version < 6.0.7


Fixed Confluence product versions:

* for 6.0.x, Confluence 6.0.7 has been released with a fix for this issue.


Summary:
This advisory discloses a critical severity security vulnerability
that was introduced in version 6.0.0 of Confluence. Versions of
Confluence starting with version 6.0.0 but less than 6.0.7 (the fixed
version for 6.0.x) are affected by this vulnerability.

Cloud instances have already been upgraded to a version of Confluence
that does not have the issue described in this email.

Customers who have upgraded Confluence to version 6.0.7 or 6.1.0 or
6.1.1 are not affected.

Customers who have downloaded and installed Confluence >= 6.0.0 but
less than 6.0.7 (the fixed version for 6.0.x) please upgrade your
Confluence installations immediately to fix this vulnerability.


Unauthenticated users can view the content of Confluence blogs and
pages (CVE-2017-7415)

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 an independent assessment and you should evaluate its
applicability to your own IT environment.


Description:

The Confluence drafts diff rest resource made the current content of
all blogs and pages in Confluence available without authentication.
Attackers who can access the Confluence web interface of a vulnerable
version can use this vulnerability to obtain the content of all blogs
and pages inside Confluence.
All versions of Confluence starting with version 6.0.0 but less than
6.0.7 (the fixed version for 6.0.x) are affected by this
vulnerability. This issue can be tracked at:
https://jira.atlassian.com/browse/CONFSERVER-52222 .


Fix:

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

* Confluence version 6.0.7
* Confluence version 6.1.0
* Confluence version 6.1.1

Remediation:

Upgrade Confluence to version 6.1.1 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 Confluence, see
the release notes found at
https://confluence.atlassian.com/display/DOC/Confluence+Release+Notes.
You can download the latest version of Confluence from the download
centre found at
https://www.atlassian.com/software/confluence/download.


Support:
If you have questions or concerns regarding this advisory, please
raise a support request at https://support.atlassian.com/.