CVE-2023-24590

Severity: High CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Components affected: Controller 6000

Version of Command Centre affected: 8.60 prior to vCR8.60.231116a (distributed in 8.60.2550 (MR7)), all versions of 8.50 and prior.

Reported by:
Sebastian Toscano of Amazon Security
Kevin Schaller of Amazon Security

Active exploitation of vulnerability*: Only in test environments.

Description of vulnerability: A format string issue in the Controller 6000's optional diagnostic web interface can be used to write/read from memory, and in some instances crash the Controller 6000 leading to a Denial of Service. 

This issue affects: Gallagher Controller 6000 8.60 prior to vCR8.60.231116a (distributed in 8.60.2550 (MR7)), all versions of 8.50 and prior.

Mitigation: Ensure dipswitch 1 is turned off on all Controllers and the option, "Dipswitch 1 controls the diagnostic web interface", is not checked in Configuration Client on Controller property pages. Do not use the Controller override, "Enable WWW Connections". Refer to the Gallagher Command Centre Hardening Guide for more details.

Maintenance releases are now available for:

• v8.60 – v8.60.2550 (MR7)

Important notes:

*This indicates whether Gallagher are aware of this being actively exploited against customer sites at the time of publication.