VDB-117378 · CVE-2018-8853 · BID 104088

Philips Brilliance CT on Windows Kiosk Mode access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Philips Brilliance CT, Brilliance iCT, Brilliance iCT SP and Brilliance CT Big Bore on Windows. This affects an unknown function of the component Kiosk Mode. The manipulation results in access control. This vulnerability was named CVE-2018-8853. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in Philips Brilliance CT, Brilliance iCT, Brilliance iCT SP and Brilliance CT Big Bore on Windows (affected version not known). Affected is some unknown functionality of the component Kiosk Mode. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Philips Brilliance CT devices operate user functions from within a contained kiosk in a Microsoft Windows operating system. Windows boots by default with elevated Windows privileges, enabling a kiosk application, user, or an attacker to potentially attain unauthorized elevated privileges in Brilliance 64 version 2.6.2 and prior, Brilliance iCT versions 4.1.6 and prior, Brillance iCT SP versions 3.2.4 and prior, and Brilliance CT Big Bore 2.3.5 and prior. Also, attackers may gain access to unauthorized resources from the underlying Windows operating system.

The bug was discovered 05/03/2018. The weakness was presented 05/04/2018 (Website). The advisory is available at usa.philips.com. This vulnerability is traded as CVE-2018-8853 since 03/20/2018. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104088†). See VDB-109655, VDB-114821, VDB-115070 and VDB-115071 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Philips

Name

License

commercial

Website

Vendor: https://www.philips.ch/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/20/2018 🔍
05/03/2018 +44 days 🔍
05/03/2018 +0 days 🔍
05/04/2018 +0 days 🔍
05/04/2018 +0 days 🔍
05/05/2018 +1 days 🔍
02/02/2020 +638 days 🔍

Sourcesinfo

Vendor: philips.ch

Advisory: usa.philips.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-8853 (🔍)
GCVE (CVE): GCVE-0-2018-8853
GCVE (VulDB): GCVE-100-117378
SecurityFocus: 104088 - Philips Brilliance Computed Tomography Systems Multiple Local Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 05/05/2018 17:28
Updated: 02/02/2020 15:34
Changes: 05/05/2018 17:28 (60), 02/02/2020 15:34 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.