CVE-2017-17321 Explained : Impact and Mitigation

Huawei eNSP software versions earlier than V100R002C00B510 have a buffer overflow vulnerability that can be exploited by a local attacker. This CVE was published on March 9, 2018.

Understanding CVE-2017-17321

This CVE identifies a specific vulnerability in Huawei eNSP software that could lead to abnormal software behavior when exploited by a local attacker.

What is CVE-2017-17321?

The vulnerability in Huawei eNSP software versions prior to V100R002C00B510 stems from a buffer overflow issue due to inadequate validation of certain command line parameters. This flaw allows a local attacker to manipulate the software process, potentially causing abnormal behavior.

The Impact of CVE-2017-17321

Exploitation of this vulnerability could result in abnormal software behavior, potentially leading to system instability or unauthorized access to sensitive information.

Technical Details of CVE-2017-17321

Huawei eNSP software vulnerability details and affected systems.

Vulnerability Description

The vulnerability in Huawei eNSP software versions earlier than V100R002C00B510 is related to a buffer overflow issue caused by insufficient validation of specific command line parameters. This oversight enables a local attacker to exploit the vulnerability.

Affected Systems and Versions

Product: eNSP
Vendor: Huawei Technologies Co., Ltd.
Vulnerable Versions: Versions earlier than V100R002C00B510

Exploitation Mechanism

The vulnerability can be exploited by a local attacker due to the lack of proper validation of certain command line parameters, allowing them to manipulate the software process.

Mitigation and Prevention

Steps to mitigate and prevent the exploitation of CVE-2017-17321.

Immediate Steps to Take

Update the Huawei eNSP software to version V100R002C00B510 or later to eliminate the vulnerability.
Implement strict access controls to limit local access to vulnerable systems.

Long-Term Security Practices

Regularly monitor and apply security patches and updates to all software systems.
Conduct security training for personnel to raise awareness of potential vulnerabilities and best practices.

Patching and Updates

Huawei has likely released patches addressing this vulnerability. Ensure timely installation of these patches to secure the eNSP software against exploitation.