CVE-2017-17141 Explained : Impact and Mitigation

Huawei S12700, S1700, S2700, S3700, S5700, S6700, S7700, and S9700 devices are vulnerable to a memory leak issue when handling specific MPLS Service PING messages.

Understanding CVE-2017-17141

This CVE involves a memory leak vulnerability in various Huawei devices.

What is CVE-2017-17141?

The vulnerability in Huawei devices allows attackers to trigger a memory leak by sending malformed MPLS Service PING messages.

The Impact of CVE-2017-17141

Successful exploitation of this vulnerability can lead to a memory leak in the affected Huawei products, potentially causing performance issues or system instability.

Technical Details of CVE-2017-17141

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability results in a memory leak in Huawei S12700, S1700, S2700, S3700, S5700, S6700, S7700, and S9700 devices under specific conditions.

Affected Systems and Versions

Huawei S12700 V200R005C00 to V200R009C00
S1700 V200R006C10
S2700 V100R006C03
S3700 V100R006C03
S5700 V200R001C00 to V200R005C03
S6700 V200R001C00
S7700 V200R001C00 to V200R009C00
S9700 V200R001C00

Exploitation Mechanism

Attackers exploit the vulnerability by sending specific malformed MPLS Service PING messages to the affected devices, preventing the release of memory.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial for maintaining security.

Immediate Steps to Take

Apply patches provided by Huawei promptly.
Monitor network traffic for any suspicious activity.
Implement firewall rules to restrict unauthorized access.

Long-Term Security Practices

Regularly update and patch all network devices.
Conduct security audits and assessments periodically.
Train staff on identifying and responding to security threats.

Patching and Updates

Huawei has released patches to address the memory leak vulnerability. Ensure all affected devices are updated with the latest firmware.