#VU11538 Path traversal


Published: 2018-04-05

Vulnerability identifier: #VU11538

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2018-6914

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Ruby
Universal components / Libraries / Scripting languages

Vendor: Ruby

Description
The vulnerability allows a remote attacker to write arbitrary files on the target system.

The weakness exists in the Dir.mktmpdir method in the tmpdir library due to path traversal. A remote attacker can create a directory or a file at any directory in the prefix argument.

Mitigation
Update to versions 2.2.10, 2.3.7, 2.4.4 or 2.5.1.

Vulnerable software versions

Ruby: 2.2.0 - 2.6.0-preview1


CPE

External links
http://www.ruby-lang.org/en/news/2018/03/28/unintentional-file-and-directory-creation-with-director...


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability