#VU21760 Path traversal in pillarjs send - CVE-2014-6394

Vulnerability identifier: #VU21760

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2014-6394

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
pillarjs send
Web applications / Modules and components for CMS

Vendor: pillarjs

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to the affected software uses a partial comparison for verifying whether a directory is within the document root. A remote attacker can send a specially crafted HTTP request and access restricted directories on the system, as demonstrated using "public-restricted" under a "public" directory.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

pillarjs send: 0.0.2 - 0.8.3

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External links
https://github.com/visionmedia/send/commit/9c6ca9b2c0b880afd3ff91ce0d211213c5fa5f9a
https://github.com/visionmedia/send/pull/59
https://nodesecurity.io/advisories/send-directory-traversal

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.