Vulnerability · Published Oct 19, 2023 · Assigned by GitHub_M

CVE-2023-41899Partial Server-Side Request Forgery in Home Assistant Core

Medium 6.6

In plain English

A medium-severity server-side request forgery in core from home-assistant. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 3.1)6.6Medium

Exploit odds (30 days)0.6%top 53.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Home assistant is an open source home automation. In affected versions the `hassio.addon_stdin` is vulnerable to a partial Server-Side Request Forgery where an attacker capable of calling this service (e.g.: through GHSA-h2jp-7grc-9xpp) may be able to invoke any Supervisor REST API endpoints with a POST request. An attacker able to exploit will be able to control the data dictionary, including its addon and input key/values. 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. This issue is also tracked as GitHub Security Lab (GHSL) Vulnerability Report: `GHSL-2023-162`.

Affected products (as reported)

Vendor	Product	Versions
home-assistant	core	< 2023.9.0

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

References

https://github.com/home-assistant/core/security/advisories/GHSA-4r74-h49q-rr3h x_refsource_CONFIRM
https://github.com/home-assistant/core/security/advisories/GHSA-h2jp-7grc-9xpp x_refsource_MISC