CVE-2019-10768 : Security Advisory and Response

AngularJS prior to version 1.7.9 is vulnerable to Prototype Pollution through the

merge()

function, allowing unintended modification of

Object.prototype

properties.

Understanding CVE-2019-10768

What is CVE-2019-10768?

Prior to version 1.7.9 of AngularJS, the

merge()

function had a vulnerability where it could unknowingly alter or append properties of

Object.prototype

if exposed to a malicious

__proto__

payload.

The Impact of CVE-2019-10768

This vulnerability could be exploited to manipulate

Object.prototype

properties, leading to potential security risks and unauthorized access.

Technical Details of CVE-2019-10768

Vulnerability Description

The

merge()

function in AngularJS versions prior to 1.7.9 is susceptible to Prototype Pollution, enabling unauthorized modification of

Object.prototype

properties.

Affected Systems and Versions

Product: AngularJS
Vendor: n/a
Versions Affected: All versions prior to 1.7.9

Exploitation Mechanism

The vulnerability can be exploited by injecting a malicious

__proto__

payload to alter or append properties of

Object.prototype

.

Mitigation and Prevention

Immediate Steps to Take

Upgrade to AngularJS version 1.7.9 or newer to mitigate the vulnerability.
Avoid exposing the application to untrusted inputs that could contain malicious payloads.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Implement input validation and sanitization to prevent injection attacks.

Patching and Updates

Apply security patches and updates provided by AngularJS to ensure the latest fixes and enhancements are in place.