CVE-2017-5946 Information

Description

The Zip::File component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability. If a site allows uploading of .zip files an attacker can upload a malicious file that uses ../\ pathname substrings to write arbitrary files to the filesystem.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.debian.org/security/2017/dsa-3801 http://www.securityfocus.com/bid/96445 https://github.com/rubyzip/rubyzip/issues/315 https://github.com/rubyzip/rubyzip/releases

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8