CVE-2020-7704 : Exploit Details and Defense Strategies

The package linux-cmdline before version 1.0.1 is vulnerable to Prototype Pollution via the constructor.

Understanding CVE-2020-7704

This CVE involves a critical vulnerability in the linux-cmdline package that can be exploited through Prototype Pollution.

What is CVE-2020-7704?

CVE-2020-7704 is a security vulnerability in the linux-cmdline package that allows attackers to manipulate the prototype of objects and potentially execute malicious code.

The Impact of CVE-2020-7704

The impact of this CVE is rated as critical with a CVSS base score of 9.8, indicating high confidentiality, integrity, and availability impact.

Technical Details of CVE-2020-7704

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in linux-cmdline before 1.0.1 allows for Prototype Pollution via the constructor, enabling attackers to modify object prototypes.

Affected Systems and Versions

Affected Product: linux-cmdline
Vendor: n/a
Vulnerable Version: < 1.0.1

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
Exploit Code Maturity: Proof of Concept
User Interaction: None

Mitigation and Prevention

Protecting systems from CVE-2020-7704 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update linux-cmdline to version 1.0.1 or higher.
Monitor for any suspicious activities on the network.

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities.
Implement security measures to prevent Prototype Pollution attacks.

Patching and Updates

Apply official fixes provided by the linux-cmdline package maintainers.