CVE-2017-9658 Information

Description

Certain 802.11 network management messages have been determined to invoke wireless access point blacklisting security defenses when not required which can necessitate intervention by hospital staff to reset the device and reestablish a network connection to the Wi-Fi access point. During this state the Philips IntelliVue MX40 Version B.06.18 can either connect to an alternative access point within signal range for association to a central monitoring station or it can remain in local monitoring mode until the device is reset by hospital staff. CVSS v3 base score: 6.5 CVSS vector string: AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Philips has released software update Version B.06.18 to fix the improper cleanup on thrown exception vulnerability and implement mitigations to reduce the risk associated with the improper handling of exceptional conditions vulnerability. The software update implements messaging and alarming on the MX40 and at the central monitoring station when the MX40 disconnects from the access point.

CVSS Vector

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.securityfocus.com/bid/100813 https://ics-cert.us-cert.gov/advisories/ICSMA-17-255-01 https://www.usa.philips.com/healthcare/about/customer-support/product-security

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5