Siemens SIMATIC BATCH DB Server unnecessary privileges

Summaryinfo

A vulnerability, which was classified as critical, was found in Siemens SIMATIC BATCH, SIMATIC Information Server 2020, SIMATIC Information Server 2022, SIMATIC PCS 7, SIMATIC Process Historian 2020, SIMATIC Process Historian 2022, SIMATIC WinCC Runtime Professional and SIMATIC WinCC. This vulnerability affects unknown code of the component DB Server. Such manipulation leads to unnecessary privileges. This vulnerability is referenced as CVE-2024-35783. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Siemens SIMATIC BATCH, SIMATIC Information Server 2020, SIMATIC Information Server 2022, SIMATIC PCS 7, SIMATIC Process Historian 2020, SIMATIC Process Historian 2022, SIMATIC WinCC Runtime Professional and SIMATIC WinCC. Affected by this issue is some unknown functionality of the component DB Server. The manipulation with an unknown input leads to a unnecessary privileges vulnerability. Using CWE to declare the problem leads to CWE-250. The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in SIMATIC BATCH V9.1 (All versions), SIMATIC Information Server 2020 (All versions), SIMATIC Information Server 2022 (All versions), SIMATIC PCS 7 V9.1 (All versions), SIMATIC Process Historian 2020 (All versions), SIMATIC Process Historian 2022 (All versions), SIMATIC WinCC Runtime Professional V18 (All versions), SIMATIC WinCC Runtime Professional V19 (All versions), SIMATIC WinCC V7.4 (All versions), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 18), SIMATIC WinCC V8.0 (All versions < V8.0 Update 5). The affected products run their DB server with elevated privileges which could allow an authenticated attacker to execute arbitrary OS commands with administrative privileges.

The advisory is available at cert-portal.siemens.com. This vulnerability is handled as CVE-2024-35783 since 05/17/2024. The exploitation is known to be difficult. The attack may be launched remotely. The exploitation requires an enhanced level of successful authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/11/2024). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• SCADA Software

Vendor

• Siemens

Name

• SIMATIC BATCH
• SIMATIC Information Server 2020
• SIMATIC Information Server 2022
• SIMATIC PCS 7
• SIMATIC Process Historian 2020
• SIMATIC Process Historian 2022
• SIMATIC WinCC
• SIMATIC WinCC Runtime Professional

License

• commercial

Website

• Vendor: https://www.siemens.com/

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