SB2021041411 - Multiple vulnerabilities in Siemens LOGO Soft Comfort

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Path traversal (CVE-ID: CVE-2020-25243)

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error while importing a compromised project file. A remote attacker can send a specially crafted HTTP request, leading to the execution of commands on the system.

2) Insecure DLL loading (CVE-ID: CVE-2020-25244)

The vulnerability allows a local attacker to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local attacker can place a specially crafted .dll file and execute arbitrary code on victim's system.

Remediation

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

References

• https://ics-cert.us-cert.gov/advisories/icsa-21-103-09
• https://cert-portal.siemens.com/productcert/pdf/ssa-983300.pdf