62510 : avast! Antivirus aavmker4.sys IOCTL Handling Memory Corruption
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Disclosure Date
Time to Patch Time to Vendor Response
18 days 5 days


A memory corruption flaw exists in avast! antivirus. The program fails to sanitize user-supplied input via IOCTL resulting in memory corruption. Scanning of a specially crafted file could allow execution of arbitrary code.


Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Public, Exploit Unknown
Disclosure: Vendor Verified


Upgrade to version 5.0.418 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.


ALWIL Software
avast! antivirus


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CVSSv2 Score

CVSSv2 Base Score = 7.2
Source: nvd.nist.gov | Generated: 2010-02-26 | Disagree?

Access_vector_0 Access_complexity_2 Authentication_2 Confidentiality_impact_2 Integrity_impact_2 Availability_impact_2


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