CVE-2019-5304 : Exploit Details and Defense Strategies
Learn about CVE-2019-5304, a vulnerability in Huawei products allowing remote attackers to trigger device resets. Find mitigation steps and patching advice here.
Certain Huawei products are susceptible to a vulnerability involving buffer errors. An attacker, who is not authenticated remotely, can exploit this vulnerability by sending targeted MPLS Echo Request messages to the affected products. This exploit can result in device reset due to inadequate validation of certain parameters within the messages.
Understanding CVE-2019-5304
This CVE involves a buffer error vulnerability in specific Huawei products that can be exploited remotely.
What is CVE-2019-5304?
CVE-2019-5304 is a vulnerability in Huawei products that allows unauthenticated remote attackers to trigger device resets by sending malicious MPLS Echo Request messages.
The Impact of CVE-2019-5304
The vulnerability can lead to a denial of service (DoS) condition, causing affected devices to reset due to insufficient validation of certain message parameters.
Technical Details of CVE-2019-5304
This section provides more technical insights into the CVE-2019-5304 vulnerability.
Vulnerability Description
The vulnerability involves buffer errors in Huawei products, allowing remote attackers to exploit the issue by sending specific MPLS Echo Request messages.
Affected Systems and Versions
- Products: AR120-S, AR1200, AR150, AR160, AR200, AR2200, AR3200, and more
- Versions: V200R006C10, V200R007C00, V200R008C20, and others
Exploitation Mechanism
- Attackers can exploit the vulnerability by sending targeted MPLS Echo Request messages to the affected Huawei products.
Mitigation and Prevention
To address CVE-2019-5304, follow these mitigation strategies:
Immediate Steps to Take
- Apply vendor-supplied patches promptly
- Implement network segmentation to limit exposure
- Monitor network traffic for suspicious activities
Long-Term Security Practices
- Regularly update and patch all software and firmware
- Conduct security assessments and penetration testing
Patching and Updates
- Check for and apply security updates from Huawei
- Stay informed about security advisories and best practices