Siemens SIMATIC WinCC OA up to 3.14/3.15/3.16/3.17 Web Interface argument injection

Summaryinfo

A vulnerability categorized as critical has been discovered in Siemens SIMATIC WinCC OA up to 3.14/3.15/3.16/3.17. Affected by this vulnerability is an unknown functionality of the component Web Interface Handler. Such manipulation leads to argument injection. This vulnerability is listed as CVE-2022-44731. The attack may be performed from remote. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Siemens SIMATIC WinCC OA up to 3.14/3.15/3.16/3.17 (SCADA Software). It has been rated as critical. Affected by this issue is an unknown functionality of the component Web Interface Handler. The manipulation with an unknown input leads to a argument injection vulnerability. Using CWE to declare the problem leads to CWE-88. The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in SIMATIC WinCC OA V3.15 (All versions), SIMATIC WinCC OA V3.16 (All versions < V3.16 P035), SIMATIC WinCC OA V3.17 (All versions < V3.17 P024), SIMATIC WinCC OA V3.18 (All versions < V3.18 P014). The affected component allows to inject custom arguments to the Ultralight Client backend application under certain circumstances. This could allow an authenticated remote attacker to inject arbitrary parameters when starting the client via the web interface (e.g., open attacker chosen panels with the attacker's credentials or start a Ctrl script).

The weakness was presented 12/13/2022 as ssa-547714. The advisory is shared for download at cert-portal.siemens.com. This vulnerability is handled as CVE-2022-44731 since 11/04/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.

Applying a patch is able to eliminate this problem.

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Productinfo

Type

• SCADA Software

Vendor

• Siemens

Name

• SIMATIC WinCC OA

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6
• 3.7
• 3.8
• 3.9
• 3.10
• 3.11
• 3.12
• 3.13
• 3.14
• 3.15
• 3.16
• 3.17

License

• commercial

Website

• Vendor: https://www.siemens.com/

CPE 2.3info

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CPE 2.2info

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