Home Assistant prior 2023.01.1/2023.03.1 Supervisor API improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Home Assistant. Impacted is an unknown function of the component Supervisor API. The manipulation results in improper authentication. This vulnerability is reported as CVE-2023-27482. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Home Assistant. It has been classified as critical. Affected is an unknown code block of the component Supervisor API. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

homeassistant is an open source home automation tool. A remotely exploitable vulnerability bypassing authentication for accessing the Supervisor API through Home Assistant has been discovered. This impacts all Home Assistant installation types that use the Supervisor 2023.01.1 or older. Installation types, like Home Assistant Container (for example Docker), or Home Assistant Core manually in a Python environment, are not affected. The issue has been mitigated and closed in Supervisor version 2023.03.1, which has been rolled out to all affected installations via the auto-update feature of the Supervisor. This rollout has been completed at the time of publication of this advisory. Home Assistant Core 2023.3.0 included mitigation for this vulnerability. Upgrading to at least that version is thus advised. In case one is not able to upgrade the Home Assistant Supervisor or the Home Assistant Core application at this time, it is advised to not expose your Home Assistant instance to the internet.

The weakness was disclosed 03/09/2023 as GHSA-2j8f-h4mr-qr25. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2023-27482 since 03/01/2023. There are neither technical details nor an exploit publicly available.

Upgrading to version 2023.01.1 or 2023.03.1 eliminates this vulnerability.

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Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 10.0
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Home Assistant 2023.01.1/2023.03.1

Timelineinfo

03/01/2023 🔍
03/09/2023 +8 days 🔍
03/09/2023 +0 days 🔍
03/09/2023 +0 days 🔍

Sourcesinfo

Advisory: GHSA-2j8f-h4mr-qr25
Status: Confirmed

CVE: CVE-2023-27482 (🔍)
GCVE (CVE): GCVE-0-2023-27482
GCVE (VulDB): GCVE-100-222612

Entryinfo

Created: 03/09/2023 06:39
Changes: 03/09/2023 06:39 (49)
Complete: 🔍
Cache ID: 216::103

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