CVE-2020-1828 : Security Advisory and Response

Huawei NIP6800 and Secospace USG6600/USG9500 are affected by an input validation vulnerability in their IPSec module.

Understanding CVE-2020-1828

This CVE involves a flaw in how specific messages are validated, potentially leading to service compromise.

What is CVE-2020-1828?

The vulnerability in Huawei NIP6800 and Secospace USG6600/USG9500 enables attackers to trigger an out-of-bound read by sending crafted messages, impacting service availability.

The Impact of CVE-2020-1828

Attackers exploiting this vulnerability can compromise normal service operations by causing out-of-bound reads in affected systems.

Technical Details of CVE-2020-1828

The input validation flaw in the IPSec module of Huawei devices exposes them to potential attacks.

Vulnerability Description

The vulnerability arises from the failure of the IPSec module to properly validate specific message fields, allowing attackers to perform out-of-bound reads.

Affected Systems and Versions

Huawei NIP6800 versions V500R001C30, V500R001C60SPC500, V500R005C00
Secospace USG6600 versions V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, V500R005C00
USG9500 versions V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, V500R005C00

Exploitation Mechanism

Attackers exploit the lack of proper field validation in specific messages to trigger out-of-bound reads, impacting the normal functioning of the affected systems.

Mitigation and Prevention

Below are the steps to mitigate and prevent the CVE-2020-1828 vulnerability:

Immediate Steps to Take

Apply vendor-provided patches as soon as they are available
Monitor network traffic for any unusual or potentially malicious activities

Long-Term Security Practices

Regularly update and patch all software and firmware on affected devices
Conduct thorough security audits and assessments to identify and address vulnerabilities

Patching and Updates

Stay informed about security advisories from Huawei and apply relevant patches promptly