CVE-2020-12485 : What You Need to Know

A vulnerability in the frame touch module of vivo devices could lead to a local Denial of Service (DOS) attack due to improper parameter length validation.

Understanding CVE-2020-12485

The vulnerability affects specific versions of the frame touch module in vivo devices, potentially allowing attackers to trigger a local DOS attack.

What is CVE-2020-12485?

The frame touch module vulnerability arises from inadequate parameter length validation, leading to out-of-bounds memory access and enabling a local DOS attack on the device.

The Impact of CVE-2020-12485

The vulnerability poses a medium severity risk with a CVSS base score of 5.5. It requires user interaction and can result in high availability impact.

Technical Details of CVE-2020-12485

The technical aspects of the vulnerability provide insight into its nature and potential exploitation.

Vulnerability Description

The frame touch module fails to validate parameter lengths correctly, allowing memory access beyond the intended boundaries, leading to a local DOS condition.

Affected Systems and Versions

Product: The frame touch module
Vendor: vivo
Affected Versions: PD2012_1.4.0, PD1965EF_EX_EU_4.4.0, PD2001F_EX_1.6.0, PD1968F_EX_1.10.1, PD1962_1.7.6, PD1981_1.5.0, PD2006F_EX_1.6.2

Exploitation Mechanism

The vulnerability can be exploited locally by manipulating specific parameters to trigger out-of-bounds memory access, resulting in a DOS condition on the device.

Mitigation and Prevention

Protecting systems from CVE-2020-12485 requires immediate actions and long-term security measures.

Immediate Steps to Take

Monitor vendor updates for patches addressing the vulnerability.
Implement network segmentation to limit the impact of potential attacks.
Educate users on safe browsing practices to mitigate exploitation risks.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify vulnerabilities.
Maintain up-to-date security configurations and access controls.
Train IT staff and users on security best practices to enhance overall resilience.

Patching and Updates

Apply security patches provided by vivo promptly to address the vulnerability and enhance system security.