CVE-2021-4238 : Security Advisory and Response
Learn about CVE-2021-4238, a vulnerability in github.com/Masterminds/goutils leading to insufficient randomness in alphanumeric string generation. Find out its impact, affected versions, and mitigation steps.
A detailed overview of CVE-2021-4238 highlighting the insufficient randomness vulnerability in github.com/Masterminds/goutils.
Understanding CVE-2021-4238
This section will provide insights into the vulnerability and its impact.
What is CVE-2021-4238?
The vulnerability involves the generation of alphanumeric strings with less entropy than expected, reducing randomness.
The Impact of CVE-2021-4238
The RandomAlphaNumeric and CryptoRandomAlphaNumeric functions generate strings with reduced entropy, impacting security.
Technical Details of CVE-2021-4238
Explore the vulnerability's description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability in github.com/Masterminds/goutils leads to the generation of less random alphanumeric strings.
Affected Systems and Versions
Versions less than 1.1.1 of github.com/Masterminds/goutils are affected by this vulnerability.
Exploitation Mechanism
The vulnerability allows attackers to exploit weakly-generated random strings in affected functions.
Mitigation and Prevention
Discover steps to mitigate the risk and prevent exploitation of CVE-2021-4238.
Immediate Steps to Take
Update to a version greater than or equal to 1.1.1 to mitigate the insufficient randomness vulnerability.
Long-Term Security Practices
Develop robust random string generation mechanisms to enhance security practices.
Patching and Updates
Regularly update dependencies and packages to stay protected against vulnerabilities like CVE-2021-4238.