CVE-2018-16860

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name (principal) in the request with any desired user name (principal) that exists in the KDC effectively obtaining a ticket for that principal.

Se encontró un fallo en la implementación de Heimdal KDC de samba, versiones 4.8.x hasta 4.8.12 excluyéndola, versiones 4.9.x hasta 4.9.8 excluyéndola, y versiones 4.10.x hasta 4.10.3 excluyéndola, cuando es usado en modo AD DC . Un atacante de tipo man in the middle podría usar este fallo para interceptar la petición al KDC y reemplazar el nombre de usuario (principal) en la petición con cualquier nombre de usuario (principal) deseado que exista en el KDC obteniendo efectivamente un ticket para este principal.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-09-11 CVE Reserved
2019-05-14 CVE Published
2024-07-24 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-358: Improperly Implemented Security Check for Standard

CAPEC

References (17)

URL	Tag	Source
http://seclists.org/fulldisclosure/2019/Aug/11	Mailing List
http://seclists.org/fulldisclosure/2019/Aug/13	Mailing List
http://seclists.org/fulldisclosure/2019/Aug/14	Mailing List
http://seclists.org/fulldisclosure/2019/Aug/15	Mailing List
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16860	Issue Tracking
https://seclists.org/bugtraq/2019/Aug/21	Mailing List
https://seclists.org/bugtraq/2019/Aug/22	Mailing List
https://seclists.org/bugtraq/2019/Aug/23	Mailing List
https://seclists.org/bugtraq/2019/Aug/25	Mailing List
https://support.apple.com/HT210346	X_refsource_confirm
https://support.apple.com/HT210348	X_refsource_confirm
https://support.apple.com/HT210351	X_refsource_confirm
https://support.apple.com/HT210353	X_refsource_confirm
https://www.synology.com/security/advisory/Synology_SA_19_23	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html	2019-08-14
https://security.gentoo.org/glsa/202003-52	2019-08-14
https://www.samba.org/samba/security/CVE-2018-16860.html	2019-08-14

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"				>= 4.8.0 < 4.8.12 Search vendor "Samba" for product "Samba" and version " >= 4.8.0 < 4.8.12"		-		Affected
Samba Search vendor "Samba"		Samba Search vendor "Samba" for product "Samba"				>= 4.9.0 < 4.9.8 Search vendor "Samba" for product "Samba" and version " >= 4.9.0 < 4.9.8"		-		Affected
Samba Search vendor "Samba"		Samba Search vendor "Samba" for product "Samba"				>= 4.10.0 < 4.10.3 Search vendor "Samba" for product "Samba" and version " >= 4.10.0 < 4.10.3"		-		Affected
Heimdal Project Search vendor "Heimdal Project"		Heimdal Search vendor "Heimdal Project" for product "Heimdal"				>= 0.8 <= 7.5.0 Search vendor "Heimdal Project" for product "Heimdal" and version " >= 0.8 <= 7.5.0"		-		Affected