CVE-2017-8158 : Security Advisory and Response

CVE-2017-8158 relates to an improper authorization vulnerability in Huawei's FusionCompute versions V100R005C00 and V100R005C10, potentially allowing authenticated attackers to exhaust system resources by creating numerous virtual machine processes.

Understanding CVE-2017-8158

This CVE involves a security flaw in Huawei's FusionCompute software that could be exploited by attackers to impact system resources.

What is CVE-2017-8158?

The vulnerability stems from improper permission settings for a specific file on the host machine in FusionCompute versions V100R005C00 and V100R005C10. An authenticated attacker could exploit this flaw to generate a large number of virtual machine processes, potentially rendering new VMs inaccessible.

The Impact of CVE-2017-8158

If successfully exploited, this vulnerability could lead to a denial of service (DoS) scenario where system resources are overwhelmed, affecting the availability of new virtual machines.

Technical Details of CVE-2017-8158

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability arises from improper permission settings for a specific file on the host machine in FusionCompute versions V100R005C00 and V100R005C10.

Affected Systems and Versions

Product: FusionCompute
Vendor: Huawei Technologies Co., Ltd.
Versions: V100R005C00 and V100R005C10

Exploitation Mechanism

Attackers need to be authenticated to exploit the vulnerability.
By creating numerous virtual machine processes, system resources can be exhausted.

Mitigation and Prevention

Protecting systems from CVE-2017-8158 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Huawei promptly.
Monitor system resources for unusual activities.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Implement strong authentication mechanisms to prevent unauthorized access.

Patching and Updates

Stay informed about security advisories from Huawei.
Regularly check for and apply software updates and patches to mitigate risks.