CVE-2009-4049 Memory corruption in n/a
Local attackers can exploit a heap buffer overflow in the avast! TDI RDR driver to cause denial of service or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2009-4049?
CVE-2009-4049 is a high-severity memory corruption vulnerability in n/a, published on 23 Nov 2009. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-119
Which versions are affected by CVE-2009-4049?
It affects 2 products.
Products include Avast Avast Antivirus Home, Avast Avast Antivirus Professional.
How do I fix CVE-2009-4049?
No fix has been published for CVE-2009-4049 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2009-4049 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-4049 exists.
Public exploit code: 1 Exploit-DB entry and 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-842f-8x99-f2w9.