infraserver on Node.js URL path traversal

Summaryinfo

A vulnerability marked as critical has been reported in infraserver on Node.js. Affected by this issue is some unknown functionality of the component URL Handler. Performing a manipulation with the input ../ results in path traversal. This vulnerability is cataloged as CVE-2017-16142. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in infraserver on Node.js (JavaScript Library) (the affected version is unknown). This affects an unknown code of the component URL Handler. The manipulation with the input value ../ leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

infraserver is a RESTful server. infraserver is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the url.

The bug was discovered 09/27/2017. The weakness was shared 06/07/2018 (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2017-16142 since 10/29/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 252 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• JavaScript Library

Name

• infraserver

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

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• 🔍

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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