ZDI-26-558: (Pwn2Own) Amazon Smart Plug OTA Update Process Improper Certificate Validation Vulnerability
ZDI disclosed a Pwn2Own certificate validation flaw (CVSS 6.8) in Amazon Smart Plug's OTA process, allowing network-adjacent attackers to bypass update verification.
The Zero Day Initiative published ZDI-26-558 for an improper certificate validation flaw in the Amazon Smart Plug OTA update process, demonstrated at Pwn2Own. Network-adjacent attackers need no authentication to bypass certificate validation for over-the-air updates. ZDI rated the issue CVSS 6.8.
- Improper certificate validation lets network-adjacent attackers bypass OTA update verification.
- No authentication required; ZDI assigned CVSS 6.8.
- Vendors
- AmazonZero Day Initiative
- Products
- Amazon Smart Plug
- Organizations
- Zero Day Initiative
From the original article
This vulnerability allows network-adjacent attackers to bypass certificate validation for OTA updates on affected installations of Amazon Smart Plug. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 6.
zerodayinitiative.com
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