Roche Accu-Chek Inform II up to 03.01 Service Interface improper authentication

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 (≈)
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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.
6.6$0-$5k0.00

Summaryinfo

A vulnerability 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 and classified as critical. This affects an unknown function of the component Service Interface. The manipulation leads to improper authentication. This vulnerability is referenced as CVE-2018-18561. The attack needs to be initiated within the local network. No exploit is available. The affected component should be upgraded.

Detailsinfo

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 rated as critical. This issue affects an unknown part of the component Service Interface. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Roche Accu-Chek Inform II Base Unit / Base Unit Hub before 03.01.04 and CoaguChek / cobas h232 Handheld Base Unit before 03.01.04. Insecure permissions in a service interface may allow authenticated attackers in the adjacent network to execute arbitrary commands on the operating system.

The bug was discovered 11/06/2018. The weakness was published 11/08/2018 by Niv Yehezkel with Medigate as ICSMA-18-310-01 as confirmed advisory (Website). The advisory is shared at ics-cert.us-cert.gov. The public release has been coordinated with Roche. The identification of this vulnerability is CVE-2018-18561 since 10/22/2018. The attack needs to be done within the local network. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

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 immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 105843†). Similar entries are available at VDB-127026, VDB-127027, VDB-127028 and VDB-127029. Several companies clearly confirm that VulDB is the primary source for best 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: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

Researcher Base Score: 6.5
Researcher Vector: 🔍

NVD Base Score: 8.0
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: Improper authentication
CWE: CWE-287
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: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure 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 🔍
11/08/2018 +0 days 🔍
11/20/2018 +12 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-2018-18561 (🔍)
GCVE (CVE): GCVE-0-2018-18561
GCVE (VulDB): GCVE-100-127025
SecurityFocus: 105843 - Multiple Roche Point of Care Handheld Medical Services Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 11/21/2018 12:16
Updated: 04/14/2020 10:18
Changes: 11/21/2018 12:16 (81), 04/14/2020 10:18 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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