CVE-2020-7748 : Security Advisory and Response

This CVE-2020-7748 article provides insights into a vulnerability affecting the package @tsed/core before version 5.65.7, related to the deepExtend function and its potential impact.

Understanding CVE-2020-7748

This section delves into the details of the CVE-2020-7748 vulnerability.

What is CVE-2020-7748?

CVE-2020-7748 is a vulnerability in the @tsed/core package before version 5.65.7. It involves the deepExtend function within the utils directory, allowing attackers to manipulate the object prototype.

The Impact of CVE-2020-7748

The vulnerability poses a medium severity risk with a CVSS base score of 5.6. Attackers can overwrite and pollute the object prototype, potentially leading to unauthorized access or data manipulation.

Technical Details of CVE-2020-7748

Explore the technical aspects of CVE-2020-7748.

Vulnerability Description

The vulnerability arises from the deepExtend function in @tsed/core, enabling attackers to modify the object prototype, compromising program integrity.

Affected Systems and Versions

Product: @tsed/core
Versions Affected: < 5.65.7 (unspecified custom version)

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: None
Exploit Code Maturity: Proof of Concept
Impact: Low confidentiality and integrity impact

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2020-7748.

Immediate Steps to Take

Update @tsed/core to version 5.65.7 or higher to eliminate the vulnerability.
Monitor for any suspicious activities or unauthorized access.

Long-Term Security Practices

Regularly review and update dependencies to prevent future vulnerabilities.
Implement input validation to mitigate potential attacks.

Patching and Updates

Apply official fixes and security patches promptly to address known vulnerabilities.