CVE-2017-17186 Explained : Impact and Mitigation

A DoS vulnerability exists in Huawei DP300, RP200, TE30, TE40, TE50, and TE60 devices due to inadequate input validation. An authenticated attacker can exploit this flaw by sending malformed SOAP packets, potentially leading to data overwrite, memory leakage, and process reset.

Understanding CVE-2017-17186

This CVE involves a Denial of Service (DoS) vulnerability in various Huawei devices.

What is CVE-2017-17186?

The vulnerability stems from insufficient input validation, allowing an authenticated attacker to send malformed SOAP packets to the device.

The Impact of CVE-2017-17186

Successful exploitation can result in data being overwritten, device memory leakage, and potential process resets.

Technical Details of CVE-2017-17186

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The vulnerability allows an authenticated attacker to send malformed SOAP packets, causing a DoS condition.

Affected Systems and Versions

Affected devices: DP300, RP200, TE30, TE40, TE50, TE60
Vulnerable versions: DP300 V500R002C00, RP200 V500R002C00, V600R006C00, TE30 V100R001C10, V500R002C00, V600R006C00, TE40 V500R002C00, V600R006C00, TE50 V500R002C00, V600R006C00, TE60 V100R001C10, V500R002C00, V600R006C00

Exploitation Mechanism

An attacker needs to be authenticated to exploit the vulnerability by sending malformed SOAP packets.

Mitigation and Prevention

Steps to address and prevent the CVE-2017-17186 vulnerability.

Immediate Steps to Take

Apply vendor-supplied patches promptly.
Monitor network traffic for signs of exploitation.
Restrict network access to affected devices.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security training for staff to recognize and report suspicious activities.

Patching and Updates

Check for and apply security updates from Huawei to address the vulnerability.