CVE-2019-5485: Command Injection in gitlabhook
Summary
CVE-2019-5485: Command Injection in gitlabhook. Affects gitlabhook versions < 0.0.17. No fix is published. How to fix ↓
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Background
gitlabhook is an npm package used for integrating GitLab webhooks with Node.js applications. It allows developers to receive and process GitLab webhook events. However, all versions of gitlabhook are vulnerable to Command Injection. The package fails to validate input in the body of a POST request, which is then concatenated to an exec call. This allows attackers to execute arbitrary commands on the system.
Vulnerability Detail
The Command Injection vulnerability in gitlabhook arises due to the lack of input validation. Attackers can exploit this vulnerability by sending a specially crafted POST request with malicious commands in the body. These commands will be executed by the system, potentially leading to unauthorized access, data leakage, or further compromise of the system. The severity of this vulnerability is rated as CRITICAL with a CVSS score of 10.0.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As there is no fix available, a possible workaround is to implement strict input validation and sanitization of the body of POST requests in your application code. This can help mitigate the risk of command injection attacks.
Conclusion
gitlabhook is vulnerable to Command Injection, which allows attackers to execute arbitrary commands on the system. Currently, there is no fix available for this vulnerability. It is recommended to consider using an alternative package until a fix is provided. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
gitlabhook is an npm package used for integrating GitLab webhooks with Node.js applications. It allows developers to receive and process GitLab webhook events.
Command Injection is a security vulnerability that allows an attacker to execute arbitrary commands on a system by injecting malicious input into a command execution function.
This vulnerability can be exploited by sending a specially crafted POST request to a vulnerable application that uses gitlabhook. The attacker can include malicious commands in the body of the request, which will be executed by the system.
The consequences of this vulnerability can include unauthorized access to sensitive information, data leakage, and further compromise of the system. Attackers can execute arbitrary commands with the privileges of the application or user running the vulnerable code.
Currently, there is no fix available for this vulnerability. It is recommended to consider using an alternative package until a fix is provided.
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