SB2021091610 - Remote code execution in Siemens SIMATIC RFID

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Main Vulnerability Database SB2021091610

SB2021091610 - Remote code execution in Siemens SIMATIC RFID

Published: September 16, 2021 Updated: November 30, 2022

Security Bulletin ID SB2021091610
Severity
Medium
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2020-7461)

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

The vulnerability exists due to a boundary error when parsing option 119 data in DHCP packets in dhclient(8). A remote attacker on the local network can send specially crafted data to the DHCP client, trigger heap-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

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References