Description
Integer overflow in aswFW.sys 5.0.594.0 in Avast! Internet Security 5.0 Korean Trial allows local users to cause a denial of service (memory corruption and panic) via a crafted IOCTL_ASWFW_COMM_PIDINFO_RESULTS DeviceIoControl request to \\.\aswFW.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Avast! Internet Security 5.0 - 'aswFW.sys' Kernel Driver IOCTL Memory Pool Corruption EDB-14533 · dos · Aug 3, 2010
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 42148 vdb-entry
- https://web.archive.org/web/20120228033302/http://www.x90c.org/advisories/avast_internet_security_5.0_memory_corruption_advisory.txt
- http://x90c.blogspot.com/2011/11/avast-internet-security-aswfwsys-ioctl.html
- http://x90c.blogspot.com/2011/12/bid-42148-my-avast-kernel-driver-0day_01.html