SB2021031012 - Remote code execution in Siemens SCALANCE and RUGGEDCOM Devices
Published: March 10, 2021
Security Bulletin ID
SB2021031012
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2021-25667)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the handling of Spanning Tree Protocol (STP) Bridge Protocol Data Unit (BPDU) frames. A remote attacker on the local network can 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.
Remediation
Install update from vendor's website.