Details

Office 2013 applications do not check the digital signature on application add-ins before opening them. Disabling or not configuring this setting may allow an application to load a dangerous add-in. As a result, malicious code could become active on user computers or the network.

Solution

Set the policy value for User Configuration -> Administrative Templates -> Microsoft PowerPoint 2013 -> PowerPoint Options -> Security -> Trust Center ‘Require that application add-ins are signed by Trusted Publisher’ to ‘Enabled’.

Supportive Information

The following resource is also helpful.

• https://iasecontent.disa.mil/stigs/zip/U_MS_PowerPoint_2013_V1R6_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Windows.

References

• 800-53|CM-5(3)
• CAT|II
• CCI|CCI-001749
• Rule-ID|SV-53481r1_rule
• STIG-ID|DTOO127
• Vuln-ID|V-26589

Source

• Tenable.com/audits