#VU64453 Stack-based buffer overflow in blynk-library


Published: 2022-06-17

Vulnerability identifier: #VU64453

Vulnerability risk: High

CVSSv3.1: 7.8 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29496

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
blynk-library
Universal components / Libraries / Libraries used by multiple products

Vendor: Blynk IoT platform

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

blynk-library: 1.0.1


External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1524


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability