CVE-2017-14849 Scanner

Node.js is a popular open-source, cross-platform JavaScript runtime environment that runs on various operating systems. It is mostly used for building scalable network applications, such as web servers, real-time chat applications, and RESTful APIs. It is also favored by developers due to its excellent performance, lightweight design, and flexibility.

CVE-2017-14849 is a dangerous vulnerability that was discovered in Node.js 8.5.0 before 8.6.0. This vulnerability allows remote attackers to access unintended files or system resources that are not supposed to be exposed to the public. The problem was caused by a change in the handling of the ".." notation, which resulted in an incompatibility with the pathname validation used by some community modules. 

Exploiting CVE-2017-14849 could lead to dire consequences, such as the exposure of confidential data, the execution of malicious code, and the complete takeover of the system. Attackers could use this vulnerability to gain unauthorized access to databases, files, or any other resource that Node.js is responsible for managing. This could result in serious harm, especially for applications that deal with sensitive or personal data.

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REFERENCES

• http://www.securityfocus.com/bid/101056
• https://nodejs.org/en/blog/vulnerability/september-2017-path-validation/
• https://twitter.com/nodejs/status/913131152868876288