PT-2017-14555 · Home Assistant · Home Assistant

Marcin Teodorczyk · Published 2017-11-10 · Updated 2022-05-17 · CVE-2017-16782

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Home Assistant versions prior to 0.57

Description The issue allows for the injection of JavaScript code into a persistent notification via crafted Markdown text. This can lead to a cross-site scripting (XSS) attack.

Recommendations For versions prior to 0.57, update to version 0.57 or later to resolve the issue. As a temporary workaround, consider disabling the use of Markdown text in persistent notifications until a patch is available. Restrict access to the notification feature to minimize the risk of exploitation. Avoid using crafted Markdown text in notifications until the issue is resolved.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2017-16782

GHSA-7WFQ-WMX2-3WR4

Affected Products

Home Assistant

References · 5

• https://github.com/home-assistant/home-assistant-polymer/pull/514 · Patch
• https://osv.dev/vulnerability/CVE-2017-16782 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-16782 · Security Note
• https://osv.dev/vulnerability/GHSA-7wfq-wmx2-3wr4 · Vendor Advisory
• https://github.com/home-assistant/frontend · Note