CVE-2017-17166 Explained : Impact and Mitigation
Learn about CVE-2017-17166, a resource exhaustion vulnerability in Huawei DP300, Secospace USG6300, Secospace USG6500, Secospace USG6600, TP3206, and VP9660. Find out how attackers can exploit this vulnerability and steps to mitigate the risk.
A resource exhaustion vulnerability affecting Huawei DP300, Secospace USG6300, Secospace USG6500, Secospace USG6600, TP3206, and VP9660 allows remote unauthenticated attackers to exploit the software by sending manipulated H.323 messages, potentially leading to service unavailability.
Understanding CVE-2017-17166
This CVE involves a resource exhaustion vulnerability in Huawei products, impacting various versions of DP300, Secospace USG6300, Secospace USG6500, Secospace USG6600, TP3206, and VP9660.
What is CVE-2017-17166?
The vulnerability arises from improper processing of a specific field in the H.323 message by the affected software, enabling attackers to exhaust stack memory and disrupt services.
The Impact of CVE-2017-17166
Successful exploitation of this vulnerability can result in certain services becoming unavailable due to the depletion of stack memory.
Technical Details of CVE-2017-17166
This section provides detailed technical information about the CVE.
Vulnerability Description
The vulnerability allows remote unauthenticated attackers to exploit the affected Huawei products by sending crafted H.323 messages, causing resource exhaustion.
Affected Systems and Versions
- Huawei DP300 V500R002C00
- Secospace USG6300 V500R001C00, V500R001C20, V500R001C30, V500R001C50
- Secospace USG6500 V500R001C00, V500R001C20, V500R001C30, V500R001C50
- Secospace USG6600 V500R001C00, V500R001C20, V500R001C30, V500R001C50
- TP3206 V100R002C00
- VP9660 V500R002C00, V500R002C10
Exploitation Mechanism
Attackers can exploit this vulnerability by sending manipulated H.323 messages to the targeted devices without authentication, leading to resource exhaustion and service disruption.
Mitigation and Prevention
Protect your systems from CVE-2017-17166 with the following steps:
Immediate Steps to Take
- Apply vendor-supplied patches and updates promptly.
- Implement network segmentation to limit exposure.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Conduct security assessments and penetration testing.
- Educate users on identifying and reporting potential security threats.
Patching and Updates
Ensure timely installation of security patches provided by Huawei to address the resource exhaustion vulnerability in the affected products.