Full Report
SINEMA Remote Connect Server before V3.2 HF1 is affected by multiple vulnerabilities. Siemens has released a new version for SINEMA Remote Connect Server and recommends to update to the latest version.
Analysis Summary
# Vulnerability: Multiple Command Injection Vulnerabilities in SINEMA Remote Connect Server
## CVE Details
- CVE ID: [CVE-2024-39570, CVE-2024-39571] (Note: The advisory bundles multiple CVEs, specific details provided for each where available)
- CVSS Score: 8.8 (CVSS v3.1) / 8.7 (CVSS v4.0) (High)
- CWE: CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
## Affected Systems
- Products: SINEMA Remote Connect Server
- Versions: All versions prior to V3.2 HF1
- Configurations: Applicable to configurations utilizing VxLAN and SNMP configurations, exploiting command injection flaws.
## Vulnerability Description
**CVE-2024-39570 (VxLAN Configuration Injection):** The affected application is vulnerable to command injection due to missing server-side input sanitation when loading VxLAN configurations. This flaw allows an authenticated attacker to execute arbitrary code with root privileges.
**CVE-2024-39571 (SNMP Configuration Injection):** The affected application is vulnerable to command injection due to missing server-side input sanitation when loading SNMP configurations. This flaw allows an attacker with permission to modify the SNMP configuration to execute arbitrary code with root privileges.
## Exploitation
- Status: Exploitation suspected, as the vectors reference CVSS evaluation metrics indicating 'Exploitability Maturity' (E:P - Proof of Concept exists). *Note: The advisory does not explicitly state 'exploited in the wild', but the CVSS vector suggests PoC availability.*
- Complexity: Low (AC:L)
- Attack Vector: Network (AV:N)
## Impact
- Confidentiality: High (C:H)
- Integrity: High (I:H)
- Availability: High (A:H)
## Remediation
### Patches
- Update to **V3.2 HF1** or a later version.
- Patch Link (Siemens Support): hxxps://support.industry.siemens.com/cs/ww/en/view/109954687/
### Workarounds
- Follow specific product remediations/mitigations located in the vendor advisory.
- Implement general security recommendations: Protect network access to devices using appropriate mechanisms and configure the environment according to Siemens' operational guidelines for Industrial Security.
## Detection
- Detection methods are focused on monitoring unusual process execution or configuration changes related to VxLAN or SNMP services that might interact with user-controlled inputs.
- Indicators of Compromise (IOCs) would be specific to the arbitrary code executed, requiring deep analysis of system calls or outbound network activity originating from the SINEMA server process.
## References
- Vendor Advisory: SSA-928781
- Siemens Security Website (General Info): hxxps://www.siemens.com/industrialsecurity
- Siemens Terms of Use: hxxps://www.siemens.com/terms_of_use