CVE-2009-3522

Stack-based buffer overflow in aswMon2.sys in avast! Home and Professional for Windows 4.8.1351, and possibly other versions before 4.8.1356, allows local users to cause a denial of service (system crash) and possibly gain privileges via a crafted IOCTL request to IOCTL 0xb2c80018.

• CWE-119

• http://osvdb.org/58402
• http://secunia.com/advisories/36858Vendor Advisory
• http://www.avast.com/eng/avast-4-home_pro-revision-history.htmlVendor Advisory
• http://www.securityfocus.com/archive/1/506681/100/0/threaded
• http://www.securityfocus.com/bid/36507Exploit
• http://www.securitytracker.com/id?1022940
• http://www.vupen.com/english/advisories/2009/2761Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/53456
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6226
• https://www.evilfingers.com/advisory/Advisory/Avast_aswMon2.sys_kernel_memory_corruption_and_Local_Privilege_Escalation.phpExploit
• http://osvdb.org/58402
• http://secunia.com/advisories/36858Vendor Advisory
• http://www.avast.com/eng/avast-4-home_pro-revision-history.htmlVendor Advisory
• http://www.securityfocus.com/archive/1/506681/100/0/threaded
• http://www.securityfocus.com/bid/36507Exploit
• http://www.securitytracker.com/id?1022940
• http://www.vupen.com/english/advisories/2009/2761Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/53456
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6226
• https://www.evilfingers.com/advisory/Advisory/Avast_aswMon2.sys_kernel_memory_corruption_and_Local_Privilege_Escalation.phpExploit

Published

Oct 1, 2009

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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