SCALANCE M875 Web Interface cross-site request forgery

Summaryinfo

A vulnerability, which was classified as problematic, has been found in SCALANCE M875. The impacted element is an unknown function of the component Web Interface. This manipulation causes cross-site request forgery. This vulnerability is registered as CVE-2018-11447. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in SCALANCE M875 (affected version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Web Interface. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. The CWE definition for the vulnerability is CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. As an impact it is known to affect integrity. The summary by CVE is:

A vulnerability has been identified in SCALANCE M875 (All versions). The web interface on port 443/tcp could allow a Cross-Site Request Forgery (CSRF) attack if an unsuspecting user is tricked into accessing a malicious link. Successful exploitation requires user interaction by an legitimate user, who must be authenticated to the web interface as administrative user. A successful attack could allow an attacker to interact with the web interface as an administrative user. This could allow the attacker to read or modify the device configuration, or to exploit other vulnerabilities that require authentication as administrative user. 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 published 06/26/2018 (Website). It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is known as CVE-2018-11447 since 05/25/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

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.

Similar entries are available at VDB-120011, VDB-120012, VDB-120013 and VDB-119996. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• SCALANCE

Name

• M875

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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