CVE-2017-17150 : What You Need to Know

Huawei Technologies Co., Ltd. Timergrp module in DP300, RP200, TE30, TE40, TE50, and TE60 devices is vulnerable to a denial-of-service (DoS) attack due to inadequate parameter validation.

Understanding CVE-2017-17150

This CVE involves a DoS vulnerability in Huawei devices, potentially allowing an attacker to launch a DoS attack.

What is CVE-2017-17150?

The Timergrp module in Huawei DP300, RP200, TE30, TE40, TE50, and TE60 devices is susceptible to a DoS attack caused by insufficient validation of parameters. An authenticated local attacker can exploit this by invoking a specific API with a special parameter, leading to an infinite loop and enabling a DoS attack.

The Impact of CVE-2017-17150

Successful exploitation of this vulnerability can allow an attacker to disrupt the normal operation of affected Huawei devices, potentially leading to service unavailability.

Technical Details of CVE-2017-17150

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from inadequate validation of parameters in the Timergrp module of Huawei DP300, RP200, TE30, TE40, TE50, and TE60 devices.

Affected Systems and Versions

Products: DP300, RP200, TE30, TE40, TE50, TE60
Versions: DP300 V500R002C00, RP200 V500R002C00, V600R006C00, TE30 V100R001C10, TE40 V500R002C00, TE50 V500R002C00, TE60 V100R001C10

Exploitation Mechanism

An authenticated local attacker can trigger the vulnerability by calling a specific API with a specially crafted parameter, causing an infinite loop and facilitating a DoS attack.

Mitigation and Prevention

Protecting systems from CVE-2017-17150 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-supplied patches promptly to address the vulnerability.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update and patch all software and firmware on Huawei devices.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Ensure timely installation of security updates provided by Huawei to mitigate the vulnerability.