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← Back to VMware vSphere 8.0 vCenter Appliance Management Interface (VAMI) Security Technical Implementation Guide

V-259143

CAT II (Medium)

The vCenter VAMI service must explicitly disable Multipurpose Internet Mail Extensions (MIME) mime mappings based on "Content-Type".

Rule ID

SV-259143r935333_rule

STIG

VMware vSphere 8.0 vCenter Appliance Management Interface (VAMI) Security Technical Implementation Guide

Version

V1R1

CCIs

CCI-000381

Discussion

Controlling what a user of a hosted application can access is part of the security posture of the web server. Any time a user can access more functionality than is needed for the operation of the hosted application poses a security issue. A user with too much access can view information that is not needed for the user's job role, or the user could use the function in an unintentional manner. A MIME tells the web server what type of program various file types and extensions are and what external utilities or programs are needed to execute the file type. A limited number of MIME types must be configured manually, and automatic mapping must be disabled.

Check Content

At the command prompt, run the following command:

# /opt/vmware/sbin/vami-lighttpd -p -f /opt/vmware/etc/lighttpd/lighttpd.conf 2>/dev/null|grep "mimetype.use-xattr"

Expected result:

mimetype.use-xattr="disable"

If the output does not match the expected result, this is a finding.

Note: The command must be run from a bash shell and not from a shell generated by the "appliance shell". Use the "chsh" command to change the shell for the account to "/bin/bash". Refer to KB Article 2100508 for more details:

https://kb.vmware.com/s/article/2100508

Fix Text

Navigate to and open:

/opt/vmware/etc/lighttpd/lighttpd.conf

Add or reconfigure the following value:

mimetype.use-xattr        = "disable"

Restart the service with the following command:

# vmon-cli --restart applmgmt