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

 

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

Published: March 10, 2022


Vulnerability identifier: #VU61242
CSH Severity: Low
CVSS v4: 7.5 [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]
CVE-ID: CVE-2021-42018
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

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

How to mitigate CVE-2021-42018

Install updates from vendor's website.

RUGGEDCOM ROS RSG2288 - update to 5.6.0
RUGGEDCOM ROS RSG2100P - update to 5.6.0
RUGGEDCOM ROS RST2228 - update to 5.6.0
RUGGEDCOM ROS RST916P - update to 5.6.0
RUGGEDCOM ROS RST916C - update to 5.6.0
RUGGEDCOM ROS RSL910 - update to 5.6.0
RUGGEDCOM ROS RSG2488 - update to 5.6.0
RUGGEDCOM ROS RSG2300P - update to 5.6.0
RUGGEDCOM ROS RSG2300 - update to 5.6.0
RUGGEDCOM ROS M2100 - update to 5.6.0
RUGGEDCOM ROS RSG2100P (32M) - update to 5.6.0
RUGGEDCOM ROS RSG2100 (32M) - update to 5.6.0
RUGGEDCOM ROS RSG920P - update to 5.6.0
RUGGEDCOM ROS RSG900 - update to 5.6.0
RUGGEDCOM ROS RS900G (32M) - update to 5.6.0
RUGGEDCOM ROS RS900G - update to 5.6.0
RUGGEDCOM ROS RS416V2 - update to 5.6.0
RUGGEDCOM ROS RMC8388 - update to 5.6.0

External References

Related Security Bulletins