DCE/DCO vulnerable to CVE-2017-1000253 ?

[DCIM_Support]

I read about CVE-2017-1000253.  Are we using an affected version of CentOS or any of the other affected LTS Linux distros?

http://www.zdnet.com/article/serious-linux-kernel-security-bug-fixed/

(CID:126158509)

[DCIM_Support]

Hi Cees,

On the CVE wensite, that comes up as not found. Can you verify if that is the correct number or not.

Thanks

(CID:126158552)

[DCIM_Support]

Hi John,

I just looked at both his links, and the CVE returns a not-found, but, the zdnet article delivers a description of the bug. 

I am unsure of the serverity of the bug, as a zdnet user also commented on the article.

Best regards

(CID:126158887)

[DCIM_Support · Accepted solution]

Hi Cees de Vogel,

On the one hand, according to official information from Red Hat CVE Database we have:

On the other hand, for the latest DCE-7.4.3, according to the information on page Software packages in StruxureWare Data Center Expert, we have:

The StruxureWare Data Center Expert 7.4.0/7.4.1/7.4.3 server OS is CentOS 6.8 (64bit).

kernel 2.6.32-642.4.2.el6
kernel-firmware 2.6.32-642.4.2.el6

Accordingly, the latest DCE software does have the above mentioned vulnerability. And since DCE software is a closed black box, we just have to wait for the new version of DCE software with security fixes...

But with the latest DCO-8.1, everything is much simpler: the installation ISO-image of DCO-8.1 contains CentOS-7.3 and kernel-3.10.0-514.10.2.el7. That is, in this configuration, the latest DCO software also has the above mentioned vulnerability. But this vulnerability can be easily avoided in two ways:

-- Or upgrade the OS of DCO appliance to the current version CentOS-7.4, which was released in early September 2017. You can upgrade it either online (if you have Internet access) or offline (if the DCO appliance is isolated), after downloading the upgrade packages or ISO-image from the official CentOS website. The upgrade process is standard for RHEL/CentOS and can be performed both with the web-GUI webmin and with the Linux console using, for example, the yum command.

-- Or deploy a new server with a fresh installation of CentOS-7.4, and then follow the instructions on page Installing DCO on Red Hat Enterprise Linux 7 to install the latest DCO-8.1 software. This option is preferred for testing the compatibility of the latest DCO software with OS CentOS-7.4. In addition, it is possible to deploy the backup data from DCO software to this new configuration and work with it in the future.

I hope this helps you.

(CID:126158990)

[DCIM_Support]

Hi John, Benjamin & Spezialist,

THX for you're reply, yes the first link is broken but when using Google there is enough information to find:

what is the official Schneider answer in this case, is our software affected and if yes when will it be fixed 😀

(CID:126159103)

[DCIM_Support]

Hi Cees de Vogel,

In engineering (on DCO) we cannot find this as affecting the product delivered by Schneider. This is as the customer/user has the responsibility for the user access to the server, which they have created at startup. And this attack requires a active user-access to the server, as stated in the first comment on the zdnet article you've linked to. 

*This is not a official answer, but, engineerings take on this specific vulnerability. 

(CID:126159122)

[DCIM_Support]

THX Benjamin 

(CID:126159148)

[DCIM_Support]

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