CVE-2020-14318

samba: Missing handle permissions check in SMB1/2/3 ChangeNotify

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

A flaw was found in the way samba handled file and directory permissions. An authenticated user could use this flaw to gain access to certain file and directory information which otherwise would be unavailable to the attacker.

Se encontró un fallo en la manera en que samba manejaba los permisos de archivos y directorios. Un usuario autenticado podría usar este fallo para conseguir acceso a determinada información de archivos y directorios que de otra manera no estaría disponible para el atacante

A flaw was found in the way Samba handled file and directory permissions. This flaw allows an authenticated user to gain access to certain file and directory information, which otherwise would be unavailable. The highest threat from this vulnerability is to confidentiality.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2020-06-17 CVE Reserved
2020-11-02 CVE Published
2024-04-23 EPSS Updated
2024-10-29 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-266: Incorrect Privilege Assignment
CWE-269: Improper Privilege Management

CAPEC

References (5)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2024/04/msg00015.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=1892631	2021-10-05

URL	Date	SRC
https://security.gentoo.org/glsa/202012-24	2024-07-03
https://www.samba.org/samba/security/CVE-2020-14318.html	2024-07-03
https://access.redhat.com/security/cve/CVE-2020-14318	2021-10-05

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Samba Search vendor "Samba"		Samba Search vendor "Samba" for product "Samba"				>= 3.6.0 < 4.11.15 Search vendor "Samba" for product "Samba" and version " >= 3.6.0 < 4.11.15"		-		Affected
Samba Search vendor "Samba"		Samba Search vendor "Samba" for product "Samba"				>= 4.12.0 < 4.12.9 Search vendor "Samba" for product "Samba" and version " >= 4.12.0 < 4.12.9"		-		Affected
Samba Search vendor "Samba"		Samba Search vendor "Samba" for product "Samba"				>= 4.13.0 < 4.13.1 Search vendor "Samba" for product "Samba" and version " >= 4.13.0 < 4.13.1"		-		Affected
Redhat Search vendor "Redhat"		Storage Search vendor "Redhat" for product "Storage"				3.0 Search vendor "Redhat" for product "Storage" and version "3.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"		-		Affected