CVE-2018-1000544 — CRITICAL (9.8)

Q: How severe is CVE-2018-1000544?

CVE-2018-1000544 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2018-1000544?

Check the references section above for vendor advisories and patch information. Affected products include: Rubyzip Project Rubyzip, Debian Debian Linux, Redhat Cloudforms.

Vulnerability 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 Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Rubyzip Project	Rubyzip	<= 1.2.1
Debian	Debian Linux	8.0
Redhat	Cloudforms	4.6

Related Weaknesses (CWE)

CWE-59 CWE-434

References

https://access.redhat.com/errata/RHSA-2018:3466Third Party Advisory
https://github.com/rubyzip/rubyzip/issues/369ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00013.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00002.htmlMailing ListThird Party Advisory
https://access.redhat.com/errata/RHSA-2018:3466Third Party Advisory
https://github.com/rubyzip/rubyzip/issues/369ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00013.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00002.htmlMailing ListThird Party Advisory

FAQ

What is CVE-2018-1000544?

CVE-2018-1000544 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 e...

How severe is CVE-2018-1000544?

CVE-2018-1000544 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-1000544?

Check the references section above for vendor advisories and patch information. Affected products include: Rubyzip Project Rubyzip, Debian Debian Linux, Redhat Cloudforms.