CVE-2017-8167 : Vulnerability Insights and Analysis

The USG9500 V500R001C50 firewall products from Huawei have a vulnerability that could lead to a Denial of Service (DoS) attack. An attacker controlling the peer device can exploit this flaw by sending improperly formatted IKE packets, potentially causing the targeted device to restart.

Understanding CVE-2017-8167

This CVE involves a DoS vulnerability in Huawei's USG9500 V500R001C50 firewall products.

What is CVE-2017-8167?

The vulnerability in the USG9500 V500R001C50 firewall products allows for a Denial of Service (DoS) attack through the exploitation of improperly formatted IKE packets.

The Impact of CVE-2017-8167

If successfully exploited, this vulnerability could result in the restart of the affected device, potentially disrupting services and causing downtime.

Technical Details of CVE-2017-8167

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in Huawei's USG9500 V500R001C50 firewall products allows for a Denial of Service (DoS) attack through the exploitation of improperly formatted IKE packets.

Affected Systems and Versions

Product: USG9500
Vendor: Huawei Technologies Co., Ltd.
Version: V500R001C50

Exploitation Mechanism

An attacker with control over the peer device can exploit this vulnerability by sending improperly formatted IKE packets to the targeted device, leading to a potential restart.

Mitigation and Prevention

Protecting systems from CVE-2017-8167 is crucial to maintaining security.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Monitor network traffic for any signs of suspicious activity related to IKE packets.

Long-Term Security Practices

Regularly update and patch all firewall devices to mitigate known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Stay informed about security advisories from Huawei and apply relevant patches as soon as they are available.