CVE-2021-23326 Explained : Impact and Mitigation
Discover the details of CVE-2021-23326, a command injection vulnerability in @graphql-tools/git-loader before version 6.2.6. Learn about the impact, affected systems, and mitigation steps.
A detailed overview of CVE-2021-23326, a vulnerability related to command injection in the @graphql-tools/git-loader package.
Understanding CVE-2021-23326
This section provides insights into the nature and impact of the CVE-2021-23326 vulnerability.
What is CVE-2021-23326?
CVE-2021-23326 is a vulnerability in the package @graphql-tools/git-loader before version 6.2.6. It stems from the use of exec and execSync functions, allowing arbitrary command injection.
The Impact of CVE-2021-23326
The vulnerability is classified with a CVSS base score of 6.3, indicating a medium severity level. It can lead to unauthorized command execution, posing risks to system confidentiality, integrity, and availability.
Technical Details of CVE-2021-23326
Explore the specific technical aspects related to the CVE-2021-23326 vulnerability.
Vulnerability Description
The issue arises due to improper handling of user input in the load-git.ts file, enabling attackers to execute malicious commands.
Affected Systems and Versions
The vulnerability impacts @graphql-tools/git-loader versions prior to 6.2.6, making systems with these versions vulnerable to command injection attacks.
Exploitation Mechanism
The use of exec and execSync functions without proper validation or sanitization allows threat actors to inject and execute arbitrary commands through the affected package.
Mitigation and Prevention
Discover actionable steps to mitigate and prevent the exploitation of CVE-2021-23326.
Immediate Steps to Take
Users should update the @graphql-tools/git-loader package to version 6.2.6 or higher to eliminate the vulnerability. Additionally, avoid executing untrusted code within GraphQL tools.
Long-Term Security Practices
Implement secure coding practices, such as input validation and output encoding, to prevent command injection and other similar vulnerabilities in the future.
Patching and Updates
Regularly monitor for security advisories and updates from the package maintainers to promptly apply patches and secure the software infrastructure.