CVE-2015-8620: Buffer Overflow

Published Apr 13, 2016
·
Updated

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.

Affected Software

4 affected components
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

Event History

Apr 13, 2016
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2015-8620?

CVE-2015-8620 is rated as a high severity vulnerability due to its ability to allow local users to gain elevated privileges.

2

How do I fix CVE-2015-8620?

To fix CVE-2015-8620, users should update their Avast software to version 11.1.2253 or later.

3

Which Avast products are affected by CVE-2015-8620?

CVE-2015-8620 affects Avast Free Antivirus, Internet Security, Pro Antivirus, and Premier versions up to 11.1.2245.

4

How does CVE-2015-8620 exploit the system?

CVE-2015-8620 exploits a heap-based buffer overflow vulnerability by sending a specially crafted Unicode file path in an IOCTL request.

5

Can CVE-2015-8620 be exploited remotely?

No, CVE-2015-8620 is a local privilege escalation vulnerability and requires local access to the system to exploit.

Contact

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