CVE-2021-39602 : Vulnerability Insights and Analysis

This CVE article discusses a Buffer Overflow vulnerability in Miniftpd 1.0 that could lead to a Denial of Service attack.

Understanding CVE-2021-39602

Miniftpd 1.0 is affected by a Buffer Overflow vulnerability in the do_mkd function in the ftpproto.c file.

What is CVE-2021-39602?

This vulnerability in Miniftpd 1.0 allows a remote malicious user to trigger a Buffer Overflow, resulting in a Denial of Service.

The Impact of CVE-2021-39602

The vulnerability could be exploited by a remote attacker to cause a Denial of Service on the affected system.

Technical Details of CVE-2021-39602

Miniftpd 1.0's vulnerability is described below.

Vulnerability Description

A Buffer Overflow vulnerability exists in Miniftpd 1.0 in the do_mkd function in the ftpproto.c file.

Affected Systems and Versions

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Vendor: n/a
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Exploitation Mechanism

The Buffer Overflow vulnerability in Miniftpd 1.0 can be exploited remotely by a malicious user to cause a Denial of Service.

Mitigation and Prevention

Steps to address CVE-2021-39602 are as follows.

Immediate Steps to Take

As a precaution, limit network access to Miniftpd 1.0.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update Miniftpd to the latest version.
Implement network segmentation and access controls.

Patching and Updates

Apply patches or updates provided by the Miniftpd vendor to mitigate the vulnerability.