A vulnerability, which was classified as critical, has been found in Belden Hirschmann RS, RSR, RSB, MACH100, MACH1000, MACH4000, MS and OCTOPUS Classic. Affected by this issue is an unknown functionality of the component Web Interface. The manipulation with an unknown input leads to a session fixiation vulnerability. Using CWE to declare the problem leads to CWE-384. Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A Session Fixation issue was discovered in Belden Hirschmann RS, RSR, RSB, MACH100, MACH1000, MACH4000, MS, and OCTOPUS Classic Platform Switches. A session fixation vulnerability in the web interface has been identified, which may allow an attacker to hijack web sessions.

The bug was discovered 03/06/2018. The weakness was disclosed 03/06/2018 by Amir with Positive Technologies (Website). The advisory is available at securityfocus.com. This vulnerability is handled as CVE-2018-5465 since 01/12/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

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

The entries 114121, 114123, 114124 and 114125 are pretty similar.

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• Belden Hirschmann

Name

• MACH100
• MACH1000
• MACH4000
• MS
• OCTOPUS Classic
• RS
• RSB
• RSR

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