Information Exposure Through Sent Data Affecting homeassistant package, versions [,2023.9.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.07% (33rd percentile)

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  • Snyk IDSNYK-PYTHON-HOMEASSISTANT-6037029
  • published27 Oct 2023
  • disclosed26 Oct 2023
  • creditUnknown

Introduced: 26 Oct 2023

CVE-2023-41893  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade homeassistant to version 2023.9.0 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure Through Sent Data via the redirect_uri and client_id parameters. Consequently, the code parameter utilized to fetch the access_token post-authentication will be sent to the URL specified in the aforementioned parameters.

Note: This is only exploitable if the victim's Home Assistant is exposed to the Internet and the victim authenticates via a link sent by the attacker.

CVSS Scores

version 3.1