CVE-2021-4305 : What You Need to Know
Discover the details of CVE-2021-4305 affecting Woorank robots-txt-guard, involving inefficient regular expression complexity. Learn about the impact, technical aspects, and mitigation steps.
A detailed look into the CVE-2021-4305 vulnerability affecting Woorank robots-txt-guard that could lead to inefficient regular expression complexity.
Understanding CVE-2021-4305
This section provides insights into what CVE-2021-4305 is, its impact, technical details, and mitigation steps.
What is CVE-2021-4305?
CVE-2021-4305 is a vulnerability identified in Woorank robots-txt-guard, specifically related to the function makePathPattern in the file lib/patterns.js. This flaw could result in inefficient regular expression complexity.
The Impact of CVE-2021-4305
The vulnerability, assigned CVE-ID VDB-217448, has been rated as problematic due to its potential to be exploited by manipulating the argument pattern. An attacker could leverage this exploit, highlighting the importance of applying the recommended patch.
Technical Details of CVE-2021-4305
Providing a deeper dive into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability in Woorank robots-txt-guard arises from the manipulation of the argument pattern within the makePathPattern function, leading to inefficient regular expression complexity.
Affected Systems and Versions
The function makePathPattern in the file lib/patterns.js of Woorank robots-txt-guard is impacted by CVE-2021-4305. The vulnerability affects all versions.
Exploitation Mechanism
The exploit revolving around CVE-2021-4305 involves manipulating the argument pattern to exploit the inefficiencies in regular expression complexity.
Mitigation and Prevention
Understanding the steps necessary to address and prevent the exploitation of CVE-2021-4305.
Immediate Steps to Take
It is highly recommended to apply the provided patch identified as c03827cd2f9933619c23894ce7c98401ea824020 to fix the vulnerability in Woorank robots-txt-guard.
Long-Term Security Practices
Incorporating robust security practices, such as regular vulnerability assessments and timely patch management, can enhance overall cybersecurity posture.
Patching and Updates
Regularly monitoring for patches and updates from the vendor, like Woorank, is crucial to ensure the security of the systems and address vulnerabilities promptly.