7.8
CWE
119
Advisory Published
Updated

CVE-2015-8620: Buffer Overflow

First published: Wed 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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Avast Antivirus<=11.1.2245
Avast Internet Security<=11.1.2245
Avast Antivirus<=11.1.2245
Avast Antivirus<=11.1.2245

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Frequently Asked Questions

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

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