CVE-2018-8780

Severity CVSS v4.0:

Pending analysis

Type:

CWE-22 Path Traversal

Publication date:

03/04/2018

Last modified:

21/07/2019

Description

In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, the Dir.open, Dir.new, Dir.entries and Dir.empty? methods do not check NULL characters. When using the corresponding method, unintentional directory traversal may be performed.

Impact

Vector 3.x

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 9.10 CRITICAL
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): None

Base Score 3.x

9.10

Severity 3.x

CRITICAL

Vector 2.0

AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0

7.50

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:ruby-lang:ruby::::::::		2.2.10 (excluding)
cpe:2.3:a:ruby-lang:ruby::::::::	2.3.0 (including)	2.3.7 (excluding)
cpe:2.3:a:ruby-lang:ruby::::::::	2.4.0 (including)	2.4.4 (excluding)
cpe:2.3:a:ruby-lang:ruby::::::::	2.5.0 (including)	2.5.1 (excluding)
cpe:2.3:a:ruby-lang:ruby:2.6.0:preview1::::::
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:17.10:::::::*
cpe:2.3:o:debian:debian_linux:7.0:::::::*
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:ruby-lang:ruby::::::::		2.2.10 (excluding)
cpe:2.3:a:ruby-lang:ruby::::::::	2.3.0 (including)	2.3.7 (excluding)
cpe:2.3:a:ruby-lang:ruby::::::::	2.4.0 (including)	2.4.4 (excluding)
cpe:2.3:a:ruby-lang:ruby::::::::	2.5.0 (including)	2.5.1 (excluding)
cpe:2.3:a:ruby-lang:ruby:2.6.0:preview1::::::
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:17.10:::::::*
cpe:2.3:o:debian:debian_linux:7.0:::::::*
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*

CVE-2018-8780

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools