Siemens ROX II up to 2.12.0 Service Port 22 access control

Summaryinfo

A vulnerability described as critical has been identified in Siemens ROX II up to 2.12.0. This issue affects some unknown processing of the component Service Port 22. Such manipulation leads to access control. This vulnerability is listed as CVE-2018-13801. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Siemens ROX II up to 2.12.0. Affected by this issue is an unknown code block of the component Service Port 22. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in ROX II (All versions < V2.12.1). An attacker with network access to port 22/tcp and valid low-privileged user credentials for the target device could perform a privilege escalation and gain root privileges. Successful exploitation requires user privileges of a low-privileged user but no user interaction. The vulnerability could allow an attacker to compromise confidentiality, integrity and availability of the system.

The bug was discovered 10/09/2018. The weakness was presented 10/10/2018 (Website). The advisory is shared for download at cert-portal.siemens.com. This vulnerability is handled as CVE-2018-13801 since 07/10/2018. The attack may be launched remotely. The requirement for exploitation is a simple authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 2.12.1 eliminates this vulnerability.Addressing this vulnerability is possible by firewalling tcp/22 (ssh). The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 105545†). See VDB-125229 for similar entry. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Siemens

Name

• ROX II

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12.0

License

• commercial

Website

• Vendor: https://www.siemens.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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