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Vulnerability Details : CVE-2009-4049

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.
Publish Date : 2009-11-23 Last Update Date : 2018-10-10
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflowGain privilegesMemory corruption
CWE ID 119

- Products Affected By CVE-2009-4049

# Product Type Vendor Product Version Update Edition Language
1 Application Avast Avast Antivirus Home 4.8.1356.0 * * * Version Details Vulnerabilities
2 Application Avast Avast Antivirus Professional 4.8.1356.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Avast Avast Antivirus Home 1
Avast Avast Antivirus Professional 1

- References For CVE-2009-4049
BID 37031 Avast! Antivirus 'aswRdr.sys' Driver Local Privilege Escalation Vulnerability Release Date:2009-11-18
VUPEN ADV-2009-3266
BUGTRAQ 20091114 Avast aswRdr.sys Kernel Pool Corruption and Local Privilege Escalation

- Metasploit Modules Related To CVE-2009-4049

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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