CVE-2008-3531

FreeBSD 7.0/7.1 - 'vfs.usermount' Local Privilege Escalation

Severity Score

6.9

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Stack-based buffer overflow in sys/kern/vfs_mount.c in the kernel in FreeBSD 7.0 and 7.1, when vfs.usermount is enabled, allows local users to gain privileges via a crafted (1) mount or (2) nmount system call, related to copying of "user defined data" in "certain error conditions."

Desbordamiento de búfer basado en pila en sys/kern/vfs_mount.c del núcleo de FreeBSD 7.0 y 7.1, cuando vfs.usermount está habilitado; permite a usuarios locales obtener privilegios a través de una llamada al sistema manipulada a (1) mount o (2) nmount. Está relacionado con la copia de "datos definidos por el usuario" en "determinadas condiciones de error".

*Credits: N/A

CVSS Scores

NISTv2 6.9

Attack Vector

Local

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2008-08-07 CVE Reserved
2008-09-04 CVE Published
2009-07-09 First Exploit
2023-03-08 EPSS Updated
2024-08-07 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (5)

URL	Tag	Source
http://www.securitytracker.com/id?1020816	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/45143	Vdb Entry

URL	Date	SRC
https://www.exploit-db.com/exploits/9082	2009-07-09

URL	Date	SRC
http://www.securityfocus.com/bid/31002	2017-08-08

URL	Date	SRC
http://security.FreeBSD.org/advisories/FreeBSD-SA-08:08.nmount.asc	2017-08-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				7.0 Search vendor "Freebsd" for product "Freebsd" and version "7.0"		-		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				7.1 Search vendor "Freebsd" for product "Freebsd" and version "7.1"		-		Affected