CyberRota Analysis
AI-GeneratedVersions of ArduinoCore-avr prior to 1.8.8 are vulnerable to a stack-based buffer overflow due to improper handling of large floating-point values when concatenating with Arduino String objects. This vulnerability can lead to memory corruption and potential denial of service, with the risk of arbitrary code execution on AVR-based Arduino boards under certain conditions. Developers and organizations utilizing affected Arduino platforms should prioritize updating to version 1.8.8 or later to mitigate these risks.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
ArduinoCore-avr contains the source code and configuration files of the Arduino AVR Boards platform. A vulnerability in versions prior to 1.8.8 allows an attacker to trigger a stack-based buffer overflow when concatenating floating-point values of sufficiently large magnitude onto an Arduino String object. By passing values near the extremes of the float or double range to `String::concat(float)`, `String::concat(double)`, `String::operator+=()`, or the `+` operator with a float/double operand, `dtostrf()` writes beyond the fixed-size stack buffer, causing memory corruption and denial of service. Under specific conditions, this could enable arbitrary code execution on AVR-based Arduino boards. The fix is included starting from the `1.8.8 `release.