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.
References (4)
Core 4
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/135859/Avast-11.1.2245-Heap-Overflow.html
Exploit, Mailing List, Third Party Advisory mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2016/Feb/94
Exploit x_refsource_misc
https://www.nettitude.co.uk/exploiting-a-kernel-paged-pool-buffer-overflow-in-avast-virtualization-driver/
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1035093
Scores
CVSS v3
7.8
EPSS
0.0050
EPSS Percentile
39.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-119
Status
published
Products (4)
avast/avast_free_antivirus
< 11.1.2245
avast/avast_internet_security
< 11.1.2245
avast/avast_premier
< 11.1.2245
avast/avast_pro_antivirus
< 11.1.2245
Published
Apr 13, 2016
Tracked Since
Feb 18, 2026