CVE-2015-8620 Information

Description

Heap-based buffer overflow in the Avast virtualization driver (aswSnx.sys) in Avast Internet Security Pro Antivirus Premier and Free Antivirus before 11.1.2253 allows local users to gain privileges via a Unicode file path in an IOCTL request.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://packetstormsecurity.com/files/135859/Avast-11.1.2245-Heap-Overflow.html http://seclists.org/fulldisclosure/2016/Feb/94 http://www.securitytracker.com/id/1035093 https://www.nettitude.co.uk/exploiting-a-kernel-paged-pool-buffer-overflow-in-avast-virtualization-driver/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8