CVE-2019-10795 : What You Need to Know
Learn about CVE-2019-10795, a security flaw in undefsafe allowing unauthorized manipulation of Object.prototype properties. Find mitigation steps and update recommendations here.
undefsafe before version 2.0.3 is vulnerable to Prototype Pollution, allowing unauthorized modification of Object.prototype properties.
Understanding CVE-2019-10795
The vulnerability in undefsafe version 2.0.3 and earlier exposes systems to potential exploitation through Prototype Pollution.
What is CVE-2019-10795?
CVE-2019-10795 is a security vulnerability in the undefsafe package that enables unauthorized manipulation of Object.prototype properties using a specific payload.
The Impact of CVE-2019-10795
The 'a' function in undefsafe can be manipulated to add or modify properties on Object.prototype, posing a risk of unauthorized access and potential security breaches.
Technical Details of CVE-2019-10795
Vulnerability Description
The vulnerability in undefsafe version 2.0.3 and earlier allows attackers to exploit Prototype Pollution by manipulating the 'a' function.
Affected Systems and Versions
- Product: undefsafe
- Vendor: Snyk
- Versions Affected: All versions prior to version 2.0.3
Exploitation Mechanism
Attackers can exploit the vulnerability by using a payload known as proto to manipulate the 'a' function and modify Object.prototype properties.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade to version 2.0.3 or later of undefsafe to mitigate the vulnerability.
- Monitor for any unauthorized changes to Object.prototype properties.
Long-Term Security Practices
- Regularly update software components to ensure the latest security patches are applied.
- Implement input validation and sanitization to prevent injection attacks.
Patching and Updates
Apply patches and updates provided by Snyk to address the vulnerability in undefsafe.