VDB-126616 · CVE-2018-17612 · BID 106045

Sennheiser HeadSetup 7.3.4903 Certificates SennComCCKey.pem Key certificate validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

A vulnerability has been found in Sennheiser HeadSetup 7.3.4903 and classified as problematic. This vulnerability affects an unknown function of the file SennComCCKey.pem of the component Certificates. The manipulation with an unknown input leads to a certificate validation vulnerability (Key). The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality. CVE summarizes:

Sennheiser HeadSetup 7.3.4903 places Certification Authority (CA) certificates into the Trusted Root CA store of the local system, and publishes the private key in the SennComCCKey.pem file within the public software distribution, which allows remote attackers to spoof arbitrary web sites or software publishers for several years, even if the HeadSetup product is uninstalled. NOTE: a vulnerability-assessment approach must check all Windows systems for CA certificates with a CN of 127.0.0.1 or SennComRootCA, and determine whether those certificates are unwanted.

The bug was discovered 10/31/2018. The weakness was released 11/09/2018 (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2018-17612 since 09/28/2018. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. Technical details and also a exploit are known. The MITRE ATT&CK project declares the attack technique as T1587.003.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371343 (Sennheiser HeadSetup Spoofing Vulnerability).

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

Productinfo

Vendor

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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

Name: Key
Class: Certificate validation / Key
CWE: CWE-295 / CWE-287
ATT&CK: T1587.003

Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/28/2018 🔍
10/31/2018 +33 days 🔍
11/09/2018 +9 days 🔍
11/09/2018 +0 days 🔍
11/10/2018 +1 days 🔍
11/27/2018 +17 days 🔍
04/11/2020 +501 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2018-17612 (🔍)
SecurityFocus: 106045 - Sennheiser HeadSetup CVE-2018-17612 Spoofing Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/10/2018 08:01
Updated: 04/11/2020 11:24
Changes: 11/10/2018 08:01 (64), 04/11/2020 11:24 (3)
Complete: 🔍

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