CVE-2019-1010266 Explained : Impact and Mitigation

Versions of lodash prior to 4.17.11 have a vulnerability (CWE-400) that can lead to denial of service attacks. Learn about the impact, affected systems, and mitigation steps.

Understanding CVE-2019-1010266

This CVE involves a vulnerability in lodash versions before 4.17.11 that could be exploited for denial of service attacks.

What is CVE-2019-1010266?

The vulnerability (CWE-400) allows attackers to cause denial of service by providing excessively long strings for matching.
The issue specifically affects the date handler component in lodash.

The Impact of CVE-2019-1010266

Exploiting this vulnerability can result in denial of service attacks on systems using affected versions of lodash.

Technical Details of CVE-2019-1010266

This section covers the technical aspects of the CVE.

Vulnerability Description

CWE-400: Uncontrolled Resource Consumption vulnerability in lodash versions prior to 4.17.11.

Affected Systems and Versions

Product: lodash
Vendor: lodash
Vulnerable Versions: <4.17.11 (fixed in 4.17.11)

Exploitation Mechanism

Attackers provide excessively long strings for matching using regular expressions in the library.

Mitigation and Prevention

Protect your systems from CVE-2019-1010266 with these steps.

Immediate Steps to Take

Update lodash to version 4.17.11 or later to mitigate the vulnerability.
Monitor for any unusual resource consumption that could indicate a denial of service attack.

Long-Term Security Practices

Regularly update libraries and dependencies to ensure you are using the latest secure versions.
Implement input validation to prevent malicious inputs that could trigger vulnerabilities.

Patching and Updates

Stay informed about security advisories and patches for lodash to address any future vulnerabilities.