Rewterz Threat Advisory – ICS: Siemens SICAM PAS/PQS Vulnerabilities

Severity

High

Analysis Summary

CVE-2022-43724 CVSS:8.3

Siemens SICAM PAS/PQS could allow a remote attacker to execute arbitrary commands on the system, caused by the cleartext transmission of database credentials for the inbuilt SQL server. By leveraging the credentials using the default enabled xp_cmdshell feature, an attacker could exploit this vulnerability to execute arbitrary commands on the system.

CVE-2022-43723 CVSS:7.5

Siemens SICAM PAS/PQS is vulnerable to a denial of service, caused by improper validation of user-supplied input in the s7ontcp.dll library file. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service

CVE-2022-43722 CVSS:8.3

Siemens SICAM PAS/PQS could allow a local authenticated attacker to execute arbitrary code on the system, caused by improper loading of dynamic link libraries. By placing a specially-crafted DLL file in the search path, an attacker could exploit this vulnerability to execute arbitrary code with SYSTEM level privileges on the system.

Impact

• Command Execution
• Denial of Service
• Code Execution

Indicators Of Compromise

CVE

• CVE-2022-43724
• CVE-2022-43723
• CVE-2022-43722

Affected Vendors

Siemens

Affected Products

• Siemens SICAM PAS
• Siemens SICAM PQS

Remediation

Refer to Siemens Security Advisory for patch, upgrade or suggested workaround information

Siemens Security Advisory