VulnerabilityModified
CVE-2009-3522
Stack-based buffer overflow in aswMon2.sys in avast!
HIGH 7.2EPSS 0.95%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 0.95% probability · 59th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- avast/avast antivirus home · avast/avast antivirus professional
- Source
- cve@mitre.org
References
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.