VDB-113712 · CVE-2018-7298 · OpenVAS 56325

eQ-3 Homematic CCU2 2.29.22 Software Update loopupd.sh cryptographic issue

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in eQ-3 Homematic CCU2 2.29.22 and classified as critical. Impacted is an unknown function of the file /usr/local/etc/config/addons/mh/loopupd.sh of the component Software Update. The manipulation as part of Update results in cryptographic issue. This vulnerability is reported as CVE-2018-7298. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in eQ-3 Homematic CCU2 2.29.22. It has been classified as critical. Affected is an unknown code of the file /usr/local/etc/config/addons/mh/loopupd.sh of the component Software Update. The manipulation as part of a Update leads to a cryptographic issue vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In /usr/local/etc/config/addons/mh/loopupd.sh on eQ-3 AG HomeMatic CCU2 2.29.22 devices, software update packages are downloaded via the HTTP protocol, which does not provide any cryptographic protection of the downloaded contents. An attacker with a privileged network position (which could be obtained via DNS spoofing of www.meine-homematic.de or other approaches) can exploit this issue in order to provide arbitrary malicious firmware updates to the CCU2. This can result in a full system compromise.

The bug was discovered 02/21/2018. The weakness was disclosed 02/22/2018 (Website). The advisory is shared for download at atomic111.github.io. This vulnerability is traded as CVE-2018-7298 since 02/21/2018. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1600.

The vulnerability was handled as a non-public zero-day exploit for at least 1 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.

The entries VDB-113715, VDB-113713, VDB-113714 and VDB-113710 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.8
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
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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OpenVAS ID: 56325
OpenVAS Name: HomeMatic CCU2 Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/21/2018 🔍
02/21/2018 +0 days 🔍
02/22/2018 +1 days 🔍
02/22/2018 +0 days 🔍
02/23/2018 +1 days 🔍
01/08/2020 +684 days 🔍

Sourcesinfo

Advisory: atomic111.github.io
Status: Not defined

CVE: CVE-2018-7298 (🔍)
GCVE (CVE): GCVE-0-2018-7298
GCVE (VulDB): GCVE-100-113712
See also: 🔍

Entryinfo

Created: 02/23/2018 07:51
Updated: 01/08/2020 07:24
Changes: 02/23/2018 07:51 (64), 01/08/2020 07:24 (1)
Complete: 🔍
Cache ID: 216::103

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

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