Volkswagen Customer-Link App 1.30 CAN Message injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Volkswagen Customer-Link App 1.30. The affected element is an unknown function of the component CAN Message Handler. Such manipulation leads to injection. This vulnerability is uniquely identified as CVE-2018-1170. The attack can only be initiated within the local network. No exploit exists. This vulnerability has a historic impact due to its background and reception.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Volkswagen Customer-Link App 1.30. Affected by this issue is some unknown functionality of the component CAN Message Handler. The manipulation with an unknown input leads to a injection vulnerability. Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

This vulnerability allows adjacent attackers to inject arbitrary Controller Area Network messages on vulnerable installations of Volkswagen Customer-Link App 1.30 and HTC Customer-Link Bridge. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Customer-Link App and Customer-Link Bridge. The issue results from the lack of a proper protection mechanism against unauthorized firmware updates. An attacker can leverage this vulnerability to inject CAN messages. Was ZDI-CAN-5264.

The bug was discovered 02/27/2018. The weakness was disclosed 03/02/2018 (Website). The advisory is shared for download at zerodayinitiative.com. This vulnerability is handled as CVE-2018-1170 since 12/05/2017. The attack can only be initiated within the local network. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/10/2020). The MITRE ATT&CK project declares the attack technique as T1055. This vulnerability has a historic impact due to its background and reception.

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.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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: 7.6

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

NVD Base Score: 8.8
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: Injection
CWE: CWE-74 / CWE-707 / CWE-20
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/05/2017 🔍
02/27/2018 +84 days 🔍
03/01/2018 +2 days 🔍
03/02/2018 +1 days 🔍
03/03/2018 +1 days 🔍
01/10/2020 +678 days 🔍

Sourcesinfo

Advisory: zerodayinitiative.com
Status: Not defined

CVE: CVE-2018-1170 (🔍)
GCVE (CVE): GCVE-0-2018-1170
GCVE (VulDB): GCVE-100-114032

Entryinfo

Created: 03/03/2018 14:30
Updated: 01/10/2020 09:12
Changes: 03/03/2018 14:30 (57), 01/10/2020 09:12 (1)
Complete: 🔍
Cache ID: 216::103

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