CVE-2009-3522

Avast! 4.8.1351.0 AntiVirus - 'aswMon2.sys' Kernel Memory Corruption

Severity Score

7.2

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Stack-based buffer overflow in aswMon2.sys in avast! Home and Professional for Windows 4.8.1351, and possibly other versions before 4.8.1356, allows local users to cause a denial of service (system crash) and possibly gain privileges via a crafted IOCTL request to IOCTL 0xb2c80018.

Desbordamiento de búfer basado en pila en aswMon2.sys en avast! Home y Professional para Windows v4.8.1351, y probablemente otras versiones anteriores v4.8.1356, permite a usuarios locales causar una denegación de servicios (caída sistema) y probablemente obtener privilegios a través de peticiones IOCTL manipuladas en IOCTL 0xb2c80018.

*Credits: N/A

CVSS Scores

NISTv2 7.2

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

2009-10-01 CVE Reserved
2009-10-01 CVE Published
2009-11-17 First Exploit
2023-05-25 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 (11)

URL	Tag	Source
http://osvdb.org/58402	Vdb Entry
http://www.securityfocus.com/archive/1/506681/100/0/threaded	Mailing List
http://www.securitytracker.com/id?1022940	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/53456	Vdb Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6226	Signature

URL	Date	SRC
https://www.exploit-db.com/exploits/10106	2009-11-17
http://www.securityfocus.com/bid/36507	2024-08-07
https://www.evilfingers.com/advisory/Advisory/Avast_aswMon2.sys_kernel_memory_corruption_and_Local_Privilege_Escalation.php	2024-08-07

URL	Date	SRC

URL	Date	SRC
http://secunia.com/advisories/36858	2018-10-10
http://www.avast.com/eng/avast-4-home_pro-revision-history.html	2018-10-10
http://www.vupen.com/english/advisories/2009/2761	2018-10-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Avast Search vendor "Avast"		Avast Antivirus Home Search vendor "Avast" for product "Avast Antivirus Home"				4.8.1351 Search vendor "Avast" for product "Avast Antivirus Home" and version "4.8.1351"		windows		Affected
Avast Search vendor "Avast"		Avast Antivirus Professional Search vendor "Avast" for product "Avast Antivirus Professional"				4.8.1351 Search vendor "Avast" for product "Avast Antivirus Professional" and version "4.8.1351"		windows		Affected