CVE-2017-16153: Directory Traversal in gaoxuyan
Summary
CVE-2017-16153: Directory Traversal in gaoxuyan. Affects gaoxuyan versions >= 0.0.0. No fix is published. How to fix ↓
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Background
The gaoxuyan package is an npm package used for local development. It provides functionality for resolving file paths. However, it is vulnerable to a directory traversal attack, which allows a malicious actor to access files outside of the intended directory root. This can lead to the disclosure of private files on the vulnerable system.
Vulnerability Detail
The vulnerability in gaoxuyan arises from its improper resolution of relative file paths. By exploiting this vulnerability, an attacker can craft a request that includes a path traversal sequence, such as "../", to access files outside of the intended directory. For example, an attacker could send a GET request to access the /etc/passwd file on the system. This can result in the exposure of sensitive information.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As there is no patch available, a possible workaround is to manually validate and sanitize user input when resolving file paths. This can help prevent directory traversal attacks. Here is an example in JavaScript:
function resolveFilePath(userInput) {
// Validate and sanitize userInput
// ... your code here ...
// Resolve the file path
const resolvedPath = path.resolve(__dirname, userInput);
// ... rest of your code ...
}
Conclusion
The gaoxuyan package is vulnerable to a directory traversal attack, allowing an attacker to access files outside of the intended directory root. There is no patch available for this vulnerability, so it is recommended to use the package only for local development and switch to a different package for production. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is that an attacker can access sensitive files outside of the intended directory root, potentially leading to the disclosure of private information.
No, there is no patch available for this vulnerability in the gaoxuyan package.
Yes, this vulnerability can be exploited remotely by sending crafted requests to the vulnerable system.
One possible mitigation is to validate and sanitize user input when resolving file paths. Additionally, it is recommended to use a different package for production that does not have this vulnerability.
Yes, a public advisory is available for this vulnerability. You can find more information in the GitHub Advisory Database.
