SCALANCE M875 Web Interface os command injection

Summaryinfo

A vulnerability was found in SCALANCE M875 and classified as critical. This affects an unknown part of the component Web Interface. The manipulation results in os command injection. This vulnerability is reported as CVE-2018-4860. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in SCALANCE M875 (the affected version is unknown). It has been classified as critical. Affected is an unknown code of the component Web Interface. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in SCALANCE M875 (All versions). An authenticated remote attacker with access to the web interface (443/tcp), could execute arbitrary operating system commands. Successful exploitation requires that the attacker has network access to the web interface. The attacker must be authenticated as administrative user to exploit the security vulnerability. The vulnerability could allow an attacker to execute arbitrary code on the device. At the time of advisory publication no public exploitation of this security vulnerability was known.

The bug was discovered 06/12/2018. The weakness was disclosed 06/26/2018 (Website). The advisory is shared for download at cert-portal.siemens.com. This vulnerability is traded as CVE-2018-4860 since 01/02/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. A authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1202.

The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-120011, VDB-120013, VDB-119995 and VDB-119996 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• SCALANCE

Name

• M875

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Once again VulDB remains the best source for vulnerability data.

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