CVE-2009-4049: Buffer Overflow
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2009-4049?
CVE-2009-4049 has a medium severity rating due to its potential for denial of service and local privilege escalation.
How do I fix CVE-2009-4049?
To fix CVE-2009-4049, update to a version of Avast that is later than 4.8.1356.0 that addresses this vulnerability.
What software is affected by CVE-2009-4049?
CVE-2009-4049 affects Avast! Home and Professional versions specifically at 4.8.1356.0.
What type of vulnerability is CVE-2009-4049?
CVE-2009-4049 is a heap-based buffer overflow vulnerability that can lead to memory corruption.
Can CVE-2009-4049 be exploited remotely?
CVE-2009-4049 requires local access to the system to exploit, as it involves crafted arguments to a local IOCTL.