Home Assistant prior 2023.9.0 URL resource transfer

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Home Assistant. Affected is an unknown function of the component URL Handler. The manipulation results in resource transfer. This vulnerability is known as CVE-2023-41894. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Home Assistant. Affected is some unknown functionality of the component URL Handler. The manipulation with an unknown input leads to a resource transfer vulnerability. CWE is classifying the issue as CWE-669. The product does not properly transfer a resource/behavior to another sphere, or improperly imports a resource/behavior from another sphere, in a manner that provides unintended control over that resource. This is going to have an impact on confidentiality. CVE summarizes:

Home assistant is an open source home automation. The assessment verified that webhooks available in the webhook component are triggerable via the `*.ui.nabu.casa` URL without authentication, even when the webhook is marked as Only accessible from the local network. This issue is facilitated by the SniTun proxy, which sets the source address to 127.0.0.1 on all requests sent to the public URL and forwarded to the local Home Assistant. This issue has been addressed in version 2023.9.0 and all users are advised to upgrade. There are no known workarounds for this vulnerability.

The weakness was published 10/20/2023 as GHSA-wx3j-3v2j-rf45. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2023-41894 since 09/04/2023. There are neither technical details nor an exploit publicly available.

Upgrading to version 2023.9.0 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: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Resource transfer
CWE: CWE-669
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 2023.9.0

Timelineinfo

09/04/2023 🔍
10/20/2023 +46 days 🔍
10/20/2023 +0 days 🔍
10/20/2023 +0 days 🔍

Sourcesinfo

Advisory: GHSA-wx3j-3v2j-rf45
Status: Confirmed

CVE: CVE-2023-41894 (🔍)
GCVE (CVE): GCVE-0-2023-41894
GCVE (VulDB): GCVE-100-243000

Entryinfo

Created: 10/20/2023 08:04
Changes: 10/20/2023 08:04 (29), 10/20/2023 08:05 (19)
Complete: 🔍
Cache ID: 216::103

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