Vulnerability Spotlight: Information disclosure vulnerability in Blynk-Library
Summary: Lilith Wyatt of Cisco Talos discovered an information disclosure vulnerability in Blynk-Library v0.6.1, a library used to connect more than 400 embedded device models to private or enterprise Blynk-Server instances. A specially crafted packet sent to the library's packet-parsing functionality causes an unterminated strncpy, resulting in information disclosure, and Cisco Talos worked with Blynk under its coordinated disclosure policy to resolve the issue and make an update available.
Key Takeaway: The flaw sits in a library that links over 400 embedded device models to the cloud, so a single unpatched device sending or receiving a crafted packet can leak memory contents to an attacker.
Read the original at Cisco Talos ↗
- Topics
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