Insecure DLL loading in EcoStruxure IT Gateway and jSerialComm - CVE-2020-10626

 

Insecure DLL loading in EcoStruxure IT Gateway and jSerialComm - CVE-2020-10626

Published: May 6, 2020 / Updated: May 11, 2020


Vulnerability identifier: #VU27554
CSH Severity: Low
CVSS v4: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-10626
CWE-ID: CWE-427
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local user can place a specially crafted .dll file into a temporary directory on the system and execute arbitrary code with SYSTEM privileges.

Note: This vulnerability affects the following EcoStruxure IT Gateway versions:
  • Versions 1.5.x, 1.6.x, 1.7.x

Affected software

EcoStruxure IT Gateway
jSerialComm

How to mitigate CVE-2020-10626

Install updates from vendor's website.

EcoStruxure IT Gateway - update to 1.8.1
jSerialComm - update to 2.3.0

External References

Related Security Bulletins