CVE-2016-7543

Severity CVSS v4.0:

Pending analysis

Type:

CWE-20 Input Validation

Publication date:

19/01/2017

Last modified:

20/04/2025

Description

Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.

Impact

Vector 3.x

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

Base Score: 8.40 HIGH
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

8.40

Severity 3.x

HIGH

Vector 2.0

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

Base Score: 7.20 HIGH
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

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

Base Score 2.0

7.20

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:gnu:bash::::::::		4.3 (including)
cpe:2.3:o:fedoraproject:fedora:23:::::::*
cpe:2.3:o:fedoraproject:fedora:24:::::::*
cpe:2.3:o:fedoraproject:fedora:25:::::::*

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

CVE-2016-7543

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools