#VU11538 Path traversal in Ruby - CVE-2018-6914

Vulnerability identifier: #VU11538

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2018-6914

CWE-ID: CWE-22

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Ruby

Software vendor:
Ruby

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.

Update to versions 2.2.10, 2.3.7, 2.4.4 or 2.5.1.

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