CVE-2015-8620

7.8 HIGH

Published: April 13, 2016 Modified: May 06, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://packetstormsecurity.com/files/135859/Avast-11.1.2245-Heap-Overflow.html

Source: cve@mitre.org

Exploit Third Party Advisory VDB Entry

http://seclists.org/fulldisclosure/2016/Feb/94

Source: cve@mitre.org

Exploit Mailing List Third Party Advisory

http://www.securitytracker.com/id/1035093

Source: cve@mitre.org

Third Party Advisory VDB Entry

https://www.nettitude.co.uk/exploiting-a-kernel-paged-pool-buffer-overflow-in-avast-virtualization-driver/

Source: cve@mitre.org

Exploit

http://packetstormsecurity.com/files/135859/Avast-11.1.2245-Heap-Overflow.html

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Third Party Advisory VDB Entry

http://seclists.org/fulldisclosure/2016/Feb/94

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Mailing List Third Party Advisory

http://www.securitytracker.com/id/1035093

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory VDB Entry

https://www.nettitude.co.uk/exploiting-a-kernel-paged-pool-buffer-overflow-in-avast-virtualization-driver/

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit

8 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.8 / 10.0

EPSS (Exploit Probability)

0.1%

25th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-119

Affected Vendors

avast

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