CVE-2015-8620

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 v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://packetstormsecurity.com/files/135859/Avast-11.1.2245-Heap-Overflow.html	Exploit Third Party Advisory VDB Entry
https://www.nettitude.co.uk/exploiting-a-kernel-paged-pool-buffer-overflow-in-avast-virtualization-driver/	Exploit
http://www.securitytracker.com/id/1035093	Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2016/Feb/94	Exploit Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:avast:avast_free_antivirus::::::::
	cpe:2.3:a:avast:avast_internet_security::::::::
	cpe:2.3:a:avast:avast_premier::::::::
	cpe:2.3:a:avast:avast_pro_antivirus::::::::

Information

Published : 2016-04-13 07:59

Updated : 2021-03-26 13:37

NVD link : CVE-2015-8620

Mitre link : CVE-2015-8620

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

avast

avast_premier
avast_free_antivirus
avast_internet_security
avast_pro_antivirus

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