Directory Traversal in dcserver

HIGH 7.5CVE-2017-16158 · GHSA-fg6m-q92x-vv38 · Published 07/06/2018 · updated 17/06/2026

In short

CVE-2017-16158 is a HIGH (CVSS 7.5) vulnerability affecting dcserver (dcserver project), dcserver.
Chance of exploitation in the next 30 days (EPSS): 2.0%, higher than 80.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
dcserver dcserver_project	`= 1.0.0`	No fix yet
dcserver npm	`≥ 0.0.0`	No fix yet

Description

Affected versions of dcserver resolve relative file paths, resulting in a directory traversal vulnerability. A malicious actor can use this vulnerability to access files outside of the intended directory root, which may result in the disclosure of private files on the vulnerable system.

Example request:

GET /../../../../../../../../../../etc/passwd HTTP/1.1
host:foo

Recommendation

No patch is available for this vulnerability.

It is recommended that the package is only used for local development, and if the functionality is needed for production, a different package is used instead.

NVD description

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

References

nvd.nist.gov/vuln/detail/CVE-2017-16158 · ADVISORY
JacksonGL/NPM-Vuln-PoC · WEB
npmjs.com/advisories/393 · WEB
nodesecurity.io/advisories/393 · Third Party Advisory

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