ethOS up to 1.3.3 SSH Host Key hard-coded key

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in ethOS up to 1.3.3. Affected by this issue is some unknown functionality of the component SSH Host Key Handler. Executing a manipulation can lead to hard-coded key. This vulnerability is handled as CVE-2019-19755. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in ethOS up to 1.3.3 and classified as problematic. This vulnerability affects some unknown functionality of the component SSH Host Key Handler. The manipulation with an unknown input leads to a hard-coded key vulnerability. The CWE definition for the vulnerability is CWE-321. The use of a hard-coded cryptographic key significantly increases the possibility that encrypted data may be recovered. As an impact it is known to affect confidentiality. CVE summarizes:

ethOS through 1.3.3 ships with SSH host keys baked into the installation image, which allows man-in-the-middle attacks and makes identification of all public IPv4 nodes trivial with Shodan.io. NOTE: as of 2019-12-01, the vendor indicated that they plan to fix this.

The advisory is shared for download at ethosdistro.com. This vulnerability was named CVE-2019-19755 since 12/12/2019. 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 T1600.001.

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

Name

Version

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: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.1
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Hard-coded key
CWE: CWE-321 / CWE-320
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

12/12/2019 🔍
04/30/2024 +1600 days 🔍
04/30/2024 +0 days 🔍
08/15/2024 +107 days 🔍

Sourcesinfo

Advisory: ethosdistro.com
Status: Confirmed

CVE: CVE-2019-19755 (🔍)
GCVE (CVE): GCVE-0-2019-19755
GCVE (VulDB): GCVE-100-262516

Entryinfo

Created: 04/30/2024 20:31
Updated: 08/15/2024 21:58
Changes: 04/30/2024 20:31 (50), 08/15/2024 21:58 (13)
Complete: 🔍
Cache ID: 216::103

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