#VU61242 Heap-based buffer overflow in Siemens products - CVE-2021-42018

Vulnerability identifier: #VU61242

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2021-42018

CWE-ID: CWE-122

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
RUGGEDCOM ROS M2100
RUGGEDCOM ROS RMC8388
RUGGEDCOM ROS RS416V2
RUGGEDCOM ROS RS900G
RUGGEDCOM ROS RS900G (32M)
RUGGEDCOM ROS RSG900
RUGGEDCOM ROS RSG920P
RUGGEDCOM ROS RSG2100 (32M)
RUGGEDCOM ROS RSG2100P (32M)
RUGGEDCOM ROS RSG2288
RUGGEDCOM ROS RSG2300
RUGGEDCOM ROS RSG2300P
RUGGEDCOM ROS RSG2488
RUGGEDCOM ROS RSL910
RUGGEDCOM ROS RST916C
RUGGEDCOM ROS RST916P
RUGGEDCOM ROS RST2228
RUGGEDCOM ROS RSG2100P

Software vendor:
Siemens

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

The vulnerability exists due to a boundary error. A remote administrator can pass specially crafted data to the application, 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.

Install updates from vendor's website.

• https://cert-portal.siemens.com/productcert/pdf/ssa-256353.pdf