PT-2018-16284 · Yi · Yi Home Camera

Published 2018-11-02 · Updated 2023-02-02 · CVE-2018-3891

Positive Technologies (AI Summary)

CVSS v3.1

5.7

Medium

Base vector

AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

Name of the Vulnerable Software and Affected Versions Yi Home Camera 27US version 1.8.7.0D

Description A firmware downgrade vulnerability exists in the firmware update functionality. A specially crafted file can cause a logic flaw, resulting in a firmware downgrade. An attacker can insert an SD card to trigger this issue.

Recommendations For Yi Home Camera 27US version 1.8.7.0D, as a temporary workaround, consider disabling the firmware update functionality until a patch is available. Restrict access to the SD card slot to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Related Identifiers

CVE-2018-3891

Affected Products

Yi Home Camera

References · 4

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2018-0566 · Exploit
• https://osv.dev/vulnerability/CVE-2018-3891 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-3891 · Security Note
• https://t.me/cvenotify/43417 · Telegram Post