CVE-2020-9093 : Security Advisory and Response

A use after free vulnerability in Huawei's Taurus-AL00A version 10.0.0.1(C00E1R1P1) allows attackers to compromise services by running a crafted application.

Understanding CVE-2020-9093

This CVE involves a use after free vulnerability in a specific Huawei device version.

What is CVE-2020-9093?

The vulnerability in Taurus-AL00A version 10.0.0.1(C00E1R1P1) allows attackers to exploit memory references after they have been freed, compromising normal service.

The Impact of CVE-2020-9093

Attackers with common privileges can exploit this vulnerability to compromise the affected device's normal service.

Technical Details of CVE-2020-9093

This section provides technical insights into the vulnerability.

Vulnerability Description

A module in Taurus-AL00A does not handle specific messages correctly, leading to memory reference issues after freeing, enabling attackers to compromise services.

Affected Systems and Versions

Affected Product: Taurus-AL00A
Vendor: Huawei
Affected Version: 10.0.0.1(C00E1R1P1)

Exploitation Mechanism

Attackers can exploit this vulnerability by running a crafted application with common privilege, allowing them to compromise normal service.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial.

Immediate Steps to Take

Apply security patches provided by Huawei promptly.
Monitor for any unusual activities on the affected device.

Long-Term Security Practices

Regularly update and patch all software and firmware on devices.
Implement strong access controls and least privilege principles.

Patching and Updates

Ensure all devices are updated with the latest firmware and security patches to mitigate this vulnerability.