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Article Number: 000181088


DSA-2020-268: Dell EMC iDRAC9 Reflected XSS Vulnerability

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

Article Content


Impact

Medium

Details

CVE-2020-26198
Reflected Cross-site Scripting
Dell EMC iDRAC9 versions prior to 4.32.10.00 and 4.40.00.00 contain a reflected cross-site scripting vulnerability in the iDRAC9 web application. A remote attacker could potentially exploit this vulnerability to run malicious HTML or JavaScript in a victim’s browser by tricking a victim in to following a specially crafted link.
CVSSv3 Base Score: 6.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
CVE-2020-26198
Reflected Cross-site Scripting
Dell EMC iDRAC9 versions prior to 4.32.10.00 and 4.40.00.00 contain a reflected cross-site scripting vulnerability in the iDRAC9 web application. A remote attacker could potentially exploit this vulnerability to run malicious HTML or JavaScript in a victim’s browser by tricking a victim in to following a specially crafted link.
CVSSv3 Base Score: 6.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Dell Technologies recommends all customers consider both the CVSS base score and any relevant temporal and environmental scores that may impact the potential severity associated with a particular security vulnerability.

Affected Products and Remediation

Affected products:
 
  • Dell EMC iDRAC9 versions prior to 4.32.10.00 and 4.40.00.00

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

 
iDRAC iDRAC firmware version
iDRAC9 4.32.10.00
4.40.00.00


Customers can download software, including the latest release of iDRAC firmware, from the Dell Support site.
https://www.dell.com/support/home/
Customers can find the iDRAC documentation from the Dell EMC Support site.
www.dell.com/idracmanuals

Dell EMC recommends all customers upgrade at the earliest opportunity. 

Dell EMC Best Practices regarding iDRAC:
 
  • The iDRAC is intended to be on a separate management network. The iDRAC is not designed nor intended to be placed on, nor connected directly to the Internet. Doing so could expose the connected system to security and other risks for which Dell EMC is not responsible.
  • Dell EMC recommends using the Dedicated Gigabit Ethernet port available on rack and tower servers to connect the iDRAC to a separate management network.
  • Along with locating iDRAC on a separate management network, 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 using 256-bit encryption strength as well as TLS 1.2 or higher. For tighter control, additional ciphers may be removed via “Cipher Select” – see the iDRAC User Guide for more details. 
  • Dell EMC recommends additional settings such as IP range filtering and System Lockdown Mode. 
  • Dell EMC recommends using additional security authentication options such as Microsoft Active Directory or LDAP.
  • Dell EMC recommends keeping iDRAC firmware up to date.

Affected products:
 
  • Dell EMC iDRAC9 versions prior to 4.32.10.00 and 4.40.00.00

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

 
iDRAC iDRAC firmware version
iDRAC9 4.32.10.00
4.40.00.00


Customers can download software, including the latest release of iDRAC firmware, from the Dell Support site.
https://www.dell.com/support/home/
Customers can find the iDRAC documentation from the Dell EMC Support site.
www.dell.com/idracmanuals

Dell EMC recommends all customers upgrade at the earliest opportunity. 

Dell EMC Best Practices regarding iDRAC:
 
  • The iDRAC is intended to be on a separate management network. The iDRAC is not designed nor intended to be placed on, nor connected directly to the Internet. Doing so could expose the connected system to security and other risks for which Dell EMC is not responsible.
  • Dell EMC recommends using the Dedicated Gigabit Ethernet port available on rack and tower servers to connect the iDRAC to a separate management network.
  • Along with locating iDRAC on a separate management network, 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 using 256-bit encryption strength as well as TLS 1.2 or higher. For tighter control, additional ciphers may be removed via “Cipher Select” – see the iDRAC User Guide for more details. 
  • Dell EMC recommends additional settings such as IP range filtering and System Lockdown Mode. 
  • Dell EMC recommends using additional security authentication options such as Microsoft Active Directory or LDAP.
  • Dell EMC recommends keeping iDRAC firmware up to date.

Acknowledgements

Dell EMC would like to thank Matthijs Nelissen, Martijn Claes and Raf Martino – Cyber4Z B.V.
 

Related Information

Dell Security Advisories and Notices
Dell Vulnerability Response Policy
CVSS Scoring Guide


Article Properties


Affected Product

iDRAC9, iDRAC9 - 3.0x Series, iDRAC9 - 3.1x Series, iDRAC9 - 3.2x Series, iDRAC9 - 3.3x Series, iDRAC9 - 3.4x Series, iDRAC9 - 4.xx Series, Product Security Information

Last Published Date

23 Nov 2021

Version

3

Article Type

Dell Security Advisory