CVE-2015-4077

Fortinet FortiClient 5.2.3 (Windows 10 x64 Creators) - Local Privilege Escalation

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The (1) mdare64_48.sys, (2) mdare32_48.sys, (3) mdare32_52.sys, and (4) mdare64_52.sys drivers in Fortinet FortiClient before 5.2.4 allow local users to read arbitrary kernel memory via a 0x22608C ioctl call.

Los controladores (1) mdare64_48.sys, (2) mdare32_48.sys, (3) mdare32_52.sys y (4) mdare64_52.sys en Fortinet FortiClient en versiones anteriores a 5.2.4 permiten a usuarios locales leer memoria del kernel arbitraria a través de una llamada ioctl 0x22608C.

FortiClient drivers are prone to multiple attacks and expose a wide surface that allows users to easily get SYSTEM privileges.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

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

2015-05-22 CVE Reserved
2015-09-02 CVE Published
2018-08-05 First Exploit
2024-08-06 CVE Updated
2025-06-15 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CAPEC

References (9)

URL	Tag	Source
http://fortiguard.com/advisory/mulitple-vulnerabilities-in-forticlient	X_refsource_confirm
http://packetstormsecurity.com/files/133398/FortiClient-Antivirus-Information-Exposure-Access-Control.html	X_refsource_misc
http://seclists.org/fulldisclosure/2015/Sep/0	Mailing List
http://www.securityfocus.com/archive/1/536369/100/0/threaded	Mailing List
http://www.securitytracker.com/id/1033439	Vdb Entry

URL	Date	SRC
https://packetstorm.news/files/id/148811	2018-08-05
https://www.exploit-db.com/exploits/45149	2024-08-06

URL	Date	SRC

URL	Date	SRC
http://www.coresecurity.com/advisories/forticlient-antivirus-multiple-vulnerabilities	2018-10-09
http://www.fortiguard.com/advisory/mulitple-vulnerabilities-in-forticlient	2018-10-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				<= 5.2.3 Search vendor "Fortinet" for product "Forticlient" and version " <= 5.2.3"		-		Affected