CVE-2021-23422 : Vulnerability Insights and Analysis
Discover the details of CVE-2021-23422, an Arbitrary Code Injection vulnerability in the bikeshed package before 3.0.0. Learn about its impact, affected systems, and mitigation steps.
This CVE-2021-23422 article discusses an Arbitrary Code Injection vulnerability in the 'bikeshed' package before version 3.0.0.
Understanding CVE-2021-23422
In this section, we will delve into the details of CVE-2021-23422, highlighting its impact and technical aspects.
What is CVE-2021-23422?
CVE-2021-23422 pertains to an Arbitrary Code Injection flaw in the bikeshed package, occurring when processing untrusted source files with Inline Tag Command metadata. This allows execution of arbitrary OS commands, with their output included in the HTML output.
The Impact of CVE-2021-23422
The impact of this vulnerability is rated as HIGH, with a base score of 7.8 in the CVSS v3.1 scoring system. It has a low attack complexity and requires user interaction, potentially compromising confidentiality, integrity, and availability.
Technical Details of CVE-2021-23422
This section will provide technical insights into the vulnerability, including its description, affected systems, versions, and exploitation mechanism.
Vulnerability Description
The vulnerability allows for arbitrary code injection through processing malicious source files containing Inline Tag Command metadata in the bikeshed package.
Affected Systems and Versions
The 'bikeshed' package versions prior to 3.0.0 are affected by this vulnerability, making them susceptible to arbitrary code execution.
Exploitation Mechanism
By manipulating source files containing Inline Tag Command metadata, threat actors can execute arbitrary OS commands, leading to code injection.
Mitigation and Prevention
In this section, we will discuss the necessary steps to mitigate the risks associated with CVE-2021-23422 and prevent exploitation.
Immediate Steps to Take
Users are advised to upgrade to bikeshed version 3.0.0 or above to mitigate the vulnerability and prevent arbitrary code execution.
Long-Term Security Practices
Implementing secure coding practices, input validation, and file integrity checks can help prevent similar code injection vulnerabilities in the future.
Patching and Updates
Regularly monitor for security updates and patches released by the bikeshed package maintainers to address known vulnerabilities and enhance security measures.