DSA-2019-137: iDRAC Improper Authorization Vulnerability

DSA-2019-137: iDRAC Improper Authorization Vulnerability


DSA ID: DSA-2019-137
CVE Identifier: CVE-2019-3764
Severity: Medium

Severity Rating: CVSSv3 Base Score: 5.0 (AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L)

Affected products:
  • Dell EMC iDRAC8 versions prior to 2.70.70.70
  • Dell EMC iDRAC9 versions prior to 3.36.36.36

Summary:
Dell EMC iDRAC has been updated to address a vulnerability which may potentially be exploited to compromise the affected systems.

Details:
  • Improper Authorization Vulnerability

Dell EMC iDRAC8 versions prior to 2.70.70.70 and iDRAC9 versions prior to 3.36.36.36 contain an improper authorization vulnerability. A remote authenticated malicious iDRAC user with low privileges may potentially exploit this vulnerability to obtain sensitive information such as password hashes.


Resolution:
The following Dell EMC iDRAC firmware releases contain resolutions to these vulnerabilities:

iDRAC

iDRAC firmware version

iDRAC9

3.36.36.36

3.40.40.40

iDRAC8

2.70.70.70



Note: Available as of the publication date.

Dell EMC recommends all customers upgrade at the earliest opportunity.


Dell EMC Best Practices regarding iDRAC:

In addition to maintaining up-to-date iDRAC firmware, Dell EMC also advises the following:
  • iDRACs are not designed nor intended to be placed on or connected to the internet; they are intended to be on a separate management network. Placing or connecting iDRACs directly to the internet could expose the connected system to security and other risks for which Dell EMC is not responsible.
  • Along with locating iDRACs on a separate management subnet, users should isolate the management subnet/VLAN with technologies such as firewalls, and limit access to the subnet/VLAN to authorized server administrators.
  • Dell EMC recommends that customers take into account any deployment factors that may be relevant to their environment to assess their overall risk.

Link to remedies:

Customers can download software from the Dell Support site:


Credit:

CVE-2019-3764: Dell EMC would like to thank the MilCert Austrian Armed Forces for reporting this issue to us.


Dell EMC recommends that all users determine the applicability of this information to their individual situations and take appropriate action. The information set forth herein is provided "as is" without warranty of any kind. Dell EMC disclaims all warranties, either express or implied, including the warranties of merchantability, fitness for a particular purpose, title and non-infringement. In no event shall Dell EMC, or its suppliers, be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Dell EMC or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages, so the foregoing limitation may not apply.





Quick Tips content is self-published by the Dell Support Professionals who resolve issues daily. In order to achieve a speedy publication, Quick Tips may represent only partial solutions or work-arounds that are still in development or pending further proof of successfully resolving an issue. As such Quick Tips have not been reviewed, validated or approved by Dell and should be used with appropriate caution. Dell shall not be liable for any loss, including but not limited to loss of data, loss of profit or loss of revenue, which customers may incur by following any procedure or advice set out in the Quick Tips.

Article ID: SLN319317

Last Date Modified: 11/04/2019 10:10 AM


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