Vulnerabilities > CVE-2019-5065 - Out-of-bounds Read vulnerability in Blynk Blynk-Library 0.6.1

047910
CVSS 5.3 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
LOW
Integrity impact
NONE
Availability impact
NONE
network
low complexity
blynk
CWE-125

Summary

An exploitable information disclosure vulnerability exists in the packet-parsing functionality of Blynk-Library v0.6.1. A specially crafted packet can cause an unterminated strncpy, resulting in information disclosure. An attacker can send a packet to trigger this vulnerability.

Vulnerable Configurations

Part Description Count
Application
Blynk
1

Common Weakness Enumeration (CWE)

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Overread Buffers
    An adversary attacks a target by providing input that causes an application to read beyond the boundary of a defined buffer. This typically occurs when a value influencing where to start or stop reading is set to reflect positions outside of the valid memory location of the buffer. This type of attack may result in exposure of sensitive information, a system crash, or arbitrary code execution.

Talos

idTALOS-2019-0854
last seen2019-09-07
published2019-09-04
reporterTalos Intelligence
sourcehttp://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0854
titleBlynk inc. Blynk-Library BlynkProtocol<Transp>::processInput() information disclosure vulnerability