CVE-2009-4049

Avast! AntiVirus 4.8.1356 - 'aswRdr.sys' Driver Privilege Escalation

Severity Score

7.2

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Heap-based buffer overflow in aswRdr.sys (aka the TDI RDR driver) in avast! Home and Professional 4.8.1356.0 allows local users to cause a denial of service (memory corruption) or possibly gain privileges via crafted arguments to IOCTL 0x80002024.

Desbordamiento de búfer basado en memoria dinámica (heap) en aswRdr.sys (también conocido como el controlador TDI RDR) en avast! Home y Professional v4.8.1356.0, permite a usuarios locales provocar una denegación de servicio (corrupción de memoria) o posiblemente elevar sus privilegios a través de argumentos manipulados a IOCTL 0x80002024.

*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

2009-11-16 First Exploit
2009-11-23 CVE Reserved
2009-11-23 CVE Published
2023-07-17 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 (8)

URL	Tag	Source
http://www.efblog.net/2009/11/avast-aswrdrsys-kernel-pool-corruption.html	X_refsource_misc
http://www.securityfocus.com/archive/1/507891/100/0/threaded	Mailing List
https://www.evilfingers.com/advisory/Advisory/Avast_aswRdr_sys_Kernel_Pool_Corruption_and_Local_Privilege_Escalation.php	X_refsource_misc

URL	Date	SRC
https://www.exploit-db.com/exploits/33360	2009-11-16
https://github.com/fengjixuchui/CVE-2009-4049	2022-07-10
http://www.securityfocus.com/bid/37031	2024-08-07

URL	Date	SRC

URL	Date	SRC
http://secunia.com/advisories/37368	2018-10-10
http://www.vupen.com/english/advisories/2009/3266	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"				4.8.1356.0 Search vendor "Avast" for product "Avast Antivirus Home" and version "4.8.1356.0"		-		Affected
Avast Search vendor "Avast"		Avast Antivirus Professional Search vendor "Avast" for product "Avast Antivirus Professional"				4.8.1356.0 Search vendor "Avast" for product "Avast Antivirus Professional" and version "4.8.1356.0"		-		Affected