Homeputer CL Studio fur HomeMatic up to 4.0 Rel 160808 credentials management

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.
6.8$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Homeputer CL Studio fur HomeMatic up to 4.0 Rel 160808. Impacted is an unknown function. Executing a manipulation can lead to credentials management. This vulnerability is registered as CVE-2017-17691. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in Homeputer CL Studio fur HomeMatic up to 4.0 Rel 160808 and classified as problematic. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a credentials management vulnerability. The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Homeputer CL Studio fur HomeMatic 4.0 Rel 160808 and earlier uses cleartext to exchange the username and password between server and client instances, which allows remote attackers to obtain sensitive information via a man in the middle attack.

The bug was discovered 06/19/2018. The weakness was published 09/07/2018 (Website). The advisory is shared for download at compass-security.com. This vulnerability was named CVE-2017-17691 since 12/14/2017. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1552.

The vulnerability was handled as a non-public zero-day exploit for at least 80 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
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: Credentials management
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

12/14/2017 🔍
06/19/2018 +186 days 🔍
09/07/2018 +79 days 🔍
09/07/2018 +0 days 🔍
09/08/2018 +1 days 🔍
03/21/2020 +560 days 🔍

Sourcesinfo

Advisory: compass-security.com
Status: Not defined

CVE: CVE-2017-17691 (🔍)
GCVE (CVE): GCVE-0-2017-17691
GCVE (VulDB): GCVE-100-123700

Entryinfo

Created: 09/08/2018 08:42
Updated: 03/21/2020 13:13
Changes: 09/08/2018 08:42 (56), 03/21/2020 13:13 (1)
Complete: 🔍
Cache ID: 216::103

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