Roche Accu-Chek Inform II up to 03.01 Access Control 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.
7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Roche Accu-Chek Inform II, CoaguChek Pro II, CoaguChek XS Plus, CoaguChek XS Pro and Cobas h 232 POC up to 03.01. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Access Control. Such manipulation leads to access control. This vulnerability is listed as CVE-2018-18564. The attack must be carried out from within the local network. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Roche Accu-Chek Inform II, CoaguChek Pro II, CoaguChek XS Plus, CoaguChek XS Pro and Cobas h 232 POC up to 03.01. Affected by this issue is some unknown processing of the component Access Control. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Roche Accu-Chek Inform II Instrument before 03.06.00 (Serial number below 14000) and 04.x before 04.03.00 (Serial Number above 14000), CoaguChek Pro II before 04.03.00, and cobas h 232 before 04.00.04 (Serial number above KQ0400000 or KS0400000). Improper access control allows attackers in the adjacent network to change the instrument configuration.

The bug was discovered 11/06/2018. The weakness was presented 11/20/2018 by Niv Yehezkel with Medigate as ICSMA-18-310-01 as confirmed advisory (Website). The advisory is shared for download at ics-cert.us-cert.gov. The public release was coordinated in cooperation with the vendor. This vulnerability is handled as CVE-2018-18564 since 10/22/2018. Access to the local network is required for this attack to succeed. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 03.01.04 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 105843†). See VDB-127025, VDB-127026, VDB-127027 and VDB-127029 for similar entries. Once again VulDB remains the best source for vulnerability data.

Affected

  • Roche Accu-Chek Inform II Base Unit Light
  • Roche Accu-Chek Inform II Base Unit NEW 04.00.00

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.1
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

Researcher Base Score: 8.3
Researcher Vector: 🔍

NVD Base Score: 7.4
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Accu-Chek Inform II/CoaguChek Pro II/CoaguChek XS Plus/CoaguChek XS Pro/Cobas h 232 POC 03.01.04

Timelineinfo

10/22/2018 🔍
11/06/2018 +15 days 🔍
11/06/2018 +0 days 🔍
11/08/2018 +2 days 🔍
11/20/2018 +12 days 🔍
11/20/2018 +0 days 🔍
11/21/2018 +1 days 🔍
04/14/2020 +510 days 🔍

Sourcesinfo

Advisory: ICSMA-18-310-01
Researcher: Niv Yehezkel
Organization: Medigate
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2018-18564 (🔍)
GCVE (CVE): GCVE-0-2018-18564
GCVE (VulDB): GCVE-100-127028
SecurityFocus: 105843 - Multiple Roche Point of Care Handheld Medical Services Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 11/21/2018 12:18
Updated: 04/14/2020 10:09
Changes: 11/21/2018 12:18 (79), 04/14/2020 10:09 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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