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CVE-2020-25691 Explained : Impact and Mitigation

Learn about CVE-2020-25691, a flaw in darkhttpd allowing remote attackers to disrupt system availability. Find mitigation steps and affected versions here.

A flaw in darkhttpd allows remote attackers to cause denial-of-service by accessing a file with a large modification date.

Understanding CVE-2020-25691

What is CVE-2020-25691?

The vulnerability in darkhttpd enables attackers to disrupt system availability through improper error handling.

The Impact of CVE-2020-25691

The primary risk posed by this vulnerability is the potential for denial-of-service attacks, affecting system availability.

Technical Details of CVE-2020-25691

Vulnerability Description

The flaw in darkhttpd arises from inadequate error handling, permitting attackers to exploit files with large modification dates.

Affected Systems and Versions

        Vendor: n/a
        Product: darkhttpd
        Affected Versions: up to and including darkhttpd-1.13-1

Exploitation Mechanism

Attackers can trigger denial-of-service by accessing specific files with unusually large modification dates.

Mitigation and Prevention

Immediate Steps to Take

        Apply vendor patches promptly to address the vulnerability.
        Monitor system logs for any unusual file access patterns.

Long-Term Security Practices

        Regularly update and patch software to prevent known vulnerabilities.
        Implement network security measures to restrict unauthorized access.

Patching and Updates

It is crucial to install the latest patches and updates provided by the vendor to mitigate the risk of exploitation.

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