CVE-2017-17330 : What You Need to Know

A memory leak vulnerability affecting Huawei AR3200 series and NGFW Module versions allows attackers to exploit the system by uploading a specially crafted XML file.

Understanding CVE-2017-17330

What is CVE-2017-17330?

The vulnerability in Huawei AR3200 series and NGFW Module versions stems from a memory leak issue when parsing XML data, leading to abnormal system behavior.

The Impact of CVE-2017-17330

The vulnerability could result in memory exhaustion, causing abnormal system service behavior.

Technical Details of CVE-2017-17330

Vulnerability Description

The flaw arises from the software's failure to release allocated memory properly during XML element data parsing.

Affected Systems and Versions

Products: AR3200; NGFW Module
Versions: V200R005C32, V200R006C10, V200R006C11, V200R007C00, V200R007C01, V200R007C02, V200R008C00, V200R008C10, V200R008C20, V200R008C30, NGFW Module V500R001C00, V500R001C20, V500R002C00

Exploitation Mechanism

An authenticated attacker can exploit the vulnerability by uploading a specially crafted XML file.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Huawei promptly.
Monitor system logs for any unusual memory consumption.
Restrict access to the vulnerable systems.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security training for system administrators to recognize and respond to potential threats.

Patching and Updates

Ensure that all affected systems are updated with the latest patches and security fixes.