Insecure DLL loading in Siemens products - CVE-2020-7585
Published: June 10, 2020
Vulnerability identifier: #VU28934
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-2020-7585
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 use a specially crafted .dll file, trick the victim into opening a file, associated with the vulnerable application, and execute arbitrary code on victim's system.
Affected software
SIMATIC PCS 7
SIMATIC PDM
SIMATIC STEP 7
SINAMICS STARTER
SIMATIC PDM
SIMATIC STEP 7
SINAMICS STARTER
How to mitigate CVE-2020-7585
Install updates from vendor's website.
SIMATIC STEP 7 - update to 5.6 SP2 HF3
SINAMICS STARTER - update to 5.4 HF1
SINAMICS STARTER - update to 5.4 HF1