Open Stack

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=================================================================================
OSSA-2020-002: Unprivileged users can retrieve, use and manipulate
share networks
=================================================================================

:Date: March 10, 2020
:CVE: CVE-2020-9543


Affects
~~~~~~~
- - Manila: <7.4.1, >=8.0.0 <8.1.1, >=9.0.0 <9.1.1


Description
~~~~~~~~~~~
Tobias Rydberg from City Network Hosting AB reported a vulnerability
with the manila's share network APIs. An attacker can retrieve and
manipulate share networks that do not belong to them if they possess
the share network ID. By exploiting this vulnerability, they can view
and manipulate share network subnets and use the share network to
create resources such as shares and share groups.


Patches
~~~~~~~
- - https://review.opendev.org/712167 (Pike)
- - https://review.opendev.org/712166 (Queens)
- - https://review.opendev.org/712165 (Rocky)
- - https://review.opendev.org/712164 (Stein)
- - https://review.opendev.org/712163 (Train)
- - https://review.opendev.org/712158 (Ussuri)


Credits
~~~~~~~
- - Tobias Rydberg from City Network Hosting AB (CVE-2020-9543)


References
~~~~~~~~~~
- - https://launchpad.net/bugs/1861485
- - http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9543


Notes
~~~~~
- - The stable/queens and stable/pike branches are under extended
maintenance and
  will receive no new point releases, but patches for them are provided as a
  courtesy.


- --
Goutham Pacha Ravi
PTL, OpenStack Manila
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