CVE-2018-1000544

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..

Published: Jun 26, 2018
Updated: May 9, 2024
CVE: CVE-2018-1000544
GHSA: GHSA-vqcq-mrmw-mcmg
Severity: Critical
Exploit:

CVSS v3:

Severity: Critical
Score: 9.8
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

Severity: High
Score: 7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs:

CWE-434
CWE-59

Affected Software
References

Software	From	Fixed in
rubyzip_project / rubyzip	-	1.2.1.x
debian / debian_linux	8.0	8.0.x
debian / debian_linux	9.0	9.0.x
redhat / cloudforms	4.6	4.6.x
rubyzip	-	1.2.2

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

Vulnerability Database

CVE-2018-1000544

Deep Security Visibility Without the Complexity