CVE-2020-1829 : Exploit Details and Defense Strategies

Huawei NIP6800, Secospace USG6600, and USG9500 are affected by a vulnerability allowing attackers to exploit the IPSec module, potentially compromising normal service.

Understanding CVE-2020-1829

This CVE involves a vulnerability in Huawei network devices that can result in a double free memory attack, impacting the IPSec module.

What is CVE-2020-1829?

The vulnerability in Huawei NIP6800 versions V500R001C30 and V500R001C60SPC500, as well as Secospace USG6600 and USG9500 versions V500R001C30SPC200, V500R001C30SPC600, and V500R001C60SPC500, allows attackers to send specific messages to trigger a double free memory scenario, potentially leading to service compromise.

The Impact of CVE-2020-1829

Exploitation of this vulnerability can result in a compromise of normal service on the affected Huawei devices, posing a security risk to the network infrastructure.

Technical Details of CVE-2020-1829

This section provides detailed technical information on the CVE.

Vulnerability Description

The IPSec module in Huawei NIP6800, Secospace USG6600, and USG9500 does not handle messages properly, allowing attackers to exploit a double free memory vulnerability.

Affected Systems and Versions

Huawei NIP6800 versions V500R001C30, V500R001C60SPC500
Secospace USG6600 versions V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500
USG9500 versions V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500

Exploitation Mechanism

Attackers can exploit the IPSec module in the affected versions by sending specific messages to cause a double free memory scenario, potentially disrupting normal service.

Mitigation and Prevention

In this section, you will find information on how to mitigate and prevent exploitation of CVE-2020-1829.

Immediate Steps to Take

Apply patches and updates from Huawei to address the vulnerability promptly.
Implement network segmentation and access controls to limit exposure to potential attacks.
Monitor network traffic and system logs for any unusual activity.

Long-Term Security Practices

Regularly update and patch all network devices to protect against known vulnerabilities.
Conduct regular security assessments and penetration testing to identify and address any weaknesses in the network infrastructure.

Patching and Updates

Huawei has released patches to address the vulnerability. Ensure all affected devices are updated to the latest firmware to mitigate the risk of exploitation.