CVE-2018-1000544 Information

Description

rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files an attacker can upload a malicious file that contains symlinks or files with absolute pathnames ../\ 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

https://access.redhat.com/errata/RHSA-2018:3466 https://github.com/rubyzip/rubyzip/issues/369 https://lists.debian.org/debian-lts-announce/2018/08/msg00013.html https://lists.debian.org/debian-lts-announce/2020/08/msg00002.html

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