CVE-2020-28278 : Security Advisory and Response

A prototype pollution vulnerability in 'shvl' versions 1.0.0 through 2.0.1 allows attackers to cause denial of service and potentially execute remote code.

Understanding CVE-2020-28278

This CVE involves a vulnerability in the 'shvl' software versions that can be exploited for denial of service attacks and remote code execution.

What is CVE-2020-28278?

Prototype pollution vulnerability in 'shvl' versions 1.0.0 through 2.0.1 allows an attacker to cause a denial of service and may lead to remote code execution.

The Impact of CVE-2020-28278

Attackers can exploit this vulnerability to trigger denial of service conditions.
Remote code execution may be achieved, posing significant risks to affected systems.

Technical Details of CVE-2020-28278

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability in 'shvl' versions 1.0.0 through 2.0.1 is due to prototype pollution, enabling attackers to disrupt services and potentially execute arbitrary code.

Affected Systems and Versions

Product: shvl
Vendor: n/a
Versions Affected: 1.0.0, 1.1.0, 1.1.1, 1.2.0, 1.2.1, 1.3.0, 1.3.1, 2.0.0, 2.0.1

Exploitation Mechanism

The vulnerability can be exploited by manipulating data structures to pollute prototypes, leading to service denial and potential code execution.

Mitigation and Prevention

Protecting systems from CVE-2020-28278 is crucial to maintaining security.

Immediate Steps to Take

Update 'shvl' to a patched version that addresses the vulnerability.
Monitor system logs for any suspicious activities that could indicate exploitation.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Stay informed about security updates for 'shvl' and promptly apply patches to mitigate risks.