Description
aavmker4.sys in avast! Home and Professional 4.7 for Windows does not properly validate input to IOCTL 0xb2d60030, which allows local users to gain privileges via certain IOCTL requests.
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! 4.7 - 'aavmker4.sys' Local Privilege Escalation EDB-12406 · local · Apr 27, 2010 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- ADV-2008-1034 vdb-entry
- http://www.trapkit.de/advisories/TKADV2008-002.txt
- 28502 vdb-entry
- 29605 third-party-advisory
- 20080330 [TKADV2008-002] avast! 4.7 aavmker4.sys Kernel Memory Corruption mailing-list
- avast-aavmker4-privilege-escalation(41527) vdb-entry
- 1019732 vdb-entry
- http://www.avast.com/eng/avast-4-home_pro-revision-history.html