SB2023101171 - Multiple vulnerabilities in Siemens CPCI85 firmware of SICAM A8000 Devices

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Use of hard-coded credentials (CVE-ID: CVE-2023-36380)

The vulnerability allows a remote attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded credentials in the SSH authorized_keys configuration file. A remote unauthenticated attacker can access the affected system using the hard-coded credentials.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

2) Path traversal (CVE-ID: CVE-2023-42796)

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

The vulnerability exists due to input validation error when processing directory traversal sequences in the /sicweb-ajax/tmproot/ endpoint. A remote user can send a specially crafted HTTP request and download arbitrary files on the system, leading to privilege escalation.

Remediation

Install update from vendor's website.

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-134651.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-770890.pdf