Stack-based buffer overflow in blynk-library - CVE-2022-29496

 

Stack-based buffer overflow in blynk-library - CVE-2022-29496

Published: June 17, 2022


Vulnerability identifier: #VU64453
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-29496
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Blynk IoT platform
Affected software:
blynk-library

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the BlynkConsole.h runCommand functionality. A remote unauthenticated attacker can send a specially crafted network request, trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2022-29496

Install updates from vendor's website.

Sources