CVE-2020-7760 : What You Need to Know

This CVE involves a Regular Expression Denial of Service (ReDoS) vulnerability affecting the Codemirror package before version 5.58.2.

Understanding CVE-2020-7760

This vulnerability impacts the Codemirror package, potentially leading to denial of service due to a vulnerable regular expression.

What is CVE-2020-7760?

The vulnerability lies in the Codemirror package before version 5.58.2, specifically in a regular expression used in the package.

The Impact of CVE-2020-7760

The vulnerability can be exploited to cause denial of service by triggering a ReDoS attack, affecting the availability of the system.

Technical Details of CVE-2020-7760

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability is due to a ReDoS issue in the regular expression used in the Codemirror package.

Affected Systems and Versions

Product: Codemirror
Vendor: N/A
Versions Affected: < 5.58.2

Exploitation Mechanism

The vulnerability can be exploited by crafting specific inputs that trigger the ReDoS vulnerability in the regular expression.

Mitigation and Prevention

Protecting systems from CVE-2020-7760 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Codemirror to version 5.58.2 or newer to mitigate the vulnerability.
Monitor and restrict inputs that could potentially trigger ReDoS attacks.

Long-Term Security Practices

Regularly update software packages to patch known vulnerabilities.
Implement input validation mechanisms to prevent ReDoS attacks.

Patching and Updates

Apply official fixes and security patches provided by the Codemirror package maintainers to address the ReDoS vulnerability.