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CVE-2017-12785 : What You Need to Know

Learn about CVE-2017-12785, a vulnerability in NoviWare software distribution allowing unauthorized users to execute code on NoviSwitch devices. Find mitigation steps and preventive measures here.

CVE-2017-12785, published on August 22, 2017, addresses a vulnerability in the NoviWare software distribution affecting NoviSwitch devices.

Understanding CVE-2017-12785

What is CVE-2017-12785?

The NoviWare software distribution, specifically versions NW400.2.6 and onwards, contains a vulnerability in the novish command-line interface. This vulnerability allows a read-only user with a monitor role to execute arbitrary code on the switch through command injection.

The Impact of CVE-2017-12785

The vulnerability may lead to a buffer overflow in the "show log cli" command, potentially enabling unauthorized users to gain root code execution on the affected switch.

Technical Details of CVE-2017-12785

Vulnerability Description

The novish command-line interface in NoviWare software versions NW400.2.6 and above is susceptible to a buffer overflow in the "show log cli" command, allowing unauthorized users to execute code on NoviSwitch devices.

Affected Systems and Versions

        Product: NoviWare
        Vendor: N/A
        Versions: NW400.2.6 and onwards

Exploitation Mechanism

The vulnerability can be exploited by a read-only user with a monitor role to inject commands and potentially gain root code execution on the switch.

Mitigation and Prevention

Immediate Steps to Take

        Disable the novish command-line interface if not essential for operations.
        Implement strong access controls and restrict user privileges.

Long-Term Security Practices

        Regularly monitor and audit command-line interface usage.
        Keep software and firmware up to date to mitigate known vulnerabilities.

Patching and Updates

Apply patches and updates provided by the vendor to address the vulnerability.

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