CVE-2021-25949 : Exploit Details and Defense Strategies

A detailed look at the Prototype pollution vulnerability in 'set-getter' version 0.1.0 that could lead to denial of service and remote code execution.

Understanding CVE-2021-25949

This CVE details a vulnerability in 'set-getter' version 0.1.0 that allows an attacker to exploit prototype pollution, leading to serious consequences.

What is CVE-2021-25949?

CVE-2021-25949 is a prototype pollution vulnerability in 'set-getter' version 0.1.0 that can result in a denial of service attack and potentially enable remote code execution.

The Impact of CVE-2021-25949

This vulnerability can be exploited by an attacker to disrupt services and execute arbitrary code remotely, posing a significant risk to affected systems.

Technical Details of CVE-2021-25949

Exploring the specifics of the vulnerability, affected systems, and the mechanism of exploitation.

Vulnerability Description

The vulnerability in 'set-getter' version 0.1.0 allows malicious actors to manipulate prototypes, leading to a denial of service condition and the possibility of remote code execution.

Affected Systems and Versions

The affected system includes 'set-getter' version 0.1.0, potentially impacting environments utilizing this specific version.

Exploitation Mechanism

By exploiting the prototype pollution vulnerability, attackers can tamper with object prototypes, trigger denial of service, and execute code remotely.

Mitigation and Prevention

Guidelines to mitigate the impact of CVE-2021-25949 and prevent future vulnerabilities.

Immediate Steps to Take

Users are advised to update 'set-getter' to a non-vulnerable version, apply security patches, and monitor for any unusual activities.

Long-Term Security Practices

Implement security best practices, regularly update software, conduct security assessments, and educate personnel on identifying and responding to security threats.

Patching and Updates

Stay informed about security updates, subscribe to vulnerability databases, and promptly apply patches provided by the software vendor to address known vulnerabilities.