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

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

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

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 issues 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 113715, 113713, 113714 and 113710 are pretty similar.

Productinfo

Vendor

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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 issues
CWE: CWE-310
ATT&CK: T1600

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 (🔍)
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: 🔍

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