CVE-2016-6253

NetBSD - 'mail.local' Local Privilege Escalation

Severity Score

7.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

mail.local in NetBSD versions 6.0 through 6.0.6, 6.1 through 6.1.5, and 7.0 allows local users to change ownership of or append data to arbitrary files on the target system via a symlink attack on the user mailbox.

mail.local en NetBSD en versiones desde 6.0 hasta la versión 6.0.6, 6.1 hasta la versión 6.1.5 y 7.0 permite a usuarios locales cambiar la propiedad o anexar datos a archivos arbitrarios en el sistema objetivo a través de un ataque de enlace simbólico en el buzón de usuario.

*Credits: N/A

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

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-07-20 CVE Reserved
2016-07-22 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-59: Improper Link Resolution Before File Access ('Link Following')

CAPEC

References (8)

URL	Tag	Source
http://www.securityfocus.com/bid/92101	Third Party Advisory
http://www.securitytracker.com/id/1036429	Third Party Advisory

URL	Date	SRC
https://www.exploit-db.com/exploits/40141	2024-08-06
https://www.exploit-db.com/exploits/40385	2024-08-06
http://akat1.pl/?id=2	2024-08-06
http://packetstormsecurity.com/files/138021/NetBSD-mail.local-8-Local-Root.html	2024-08-06
http://www.rapid7.com/db/modules/exploit/unix/local/netbsd_mail_local	2024-08-06

URL	Date	SRC

URL	Date	SRC
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2016-006.txt.asc	2017-01-20

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				6.0 Search vendor "Netbsd" for product "Netbsd" and version "6.0"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				6.0.1 Search vendor "Netbsd" for product "Netbsd" and version "6.0.1"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				6.0.2 Search vendor "Netbsd" for product "Netbsd" and version "6.0.2"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				6.0.3 Search vendor "Netbsd" for product "Netbsd" and version "6.0.3"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				6.0.4 Search vendor "Netbsd" for product "Netbsd" and version "6.0.4"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				6.0.5 Search vendor "Netbsd" for product "Netbsd" and version "6.0.5"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				6.0.6 Search vendor "Netbsd" for product "Netbsd" and version "6.0.6"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				6.1 Search vendor "Netbsd" for product "Netbsd" and version "6.1"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				6.1.1 Search vendor "Netbsd" for product "Netbsd" and version "6.1.1"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				6.1.2 Search vendor "Netbsd" for product "Netbsd" and version "6.1.2"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				6.1.3 Search vendor "Netbsd" for product "Netbsd" and version "6.1.3"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				6.1.4 Search vendor "Netbsd" for product "Netbsd" and version "6.1.4"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				6.1.5 Search vendor "Netbsd" for product "Netbsd" and version "6.1.5"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				7.0 Search vendor "Netbsd" for product "Netbsd" and version "7.0"		-		Affected