CVE-2016-8637

Severity Score

7.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when 'early cpio' is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.

Se ha encontrado un problema de divulgación de información local en dracut en versiones anteriores a la 045 al generar imágenes initramfs con permisos de lectura globales al emplear "early cpio", como al incluir actualizaciones de microcódigo. Un atacante local puede emplear esto para obtener información sensible de estos archivos, como las claves de cifrado o las credenciales.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-10-12 CVE Reserved
2018-08-01 CVE Published
2023-03-08 EPSS Updated
2024-08-06 CVE Updated
2024-08-06 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CWE-732: Incorrect Permission Assignment for Critical Resource

CAPEC

References (4)

URL	Tag	Source
http://www.securityfocus.com/bid/94128	Third Party Advisory

URL	Date	SRC
http://seclists.org/oss-sec/2016/q4/352	2024-08-06
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637	2024-08-06

URL	Date	SRC
https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4	2023-02-12

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Dracut Project Search vendor "Dracut Project"		Dracut Search vendor "Dracut Project" for product "Dracut"				< 045 Search vendor "Dracut Project" for product "Dracut" and version " < 045"		-		Affected