CVE-2015-8620

CVSS V2 High 7.2 CVSS V3 High 7.8
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.
Overview
  • CVE ID
  • CVE-2015-8620
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2016-04-13T14:59:03
  • Last Modified Date
  • 2021-03-26T20:37:27
Weakness Enumerations
CWE URL
CWE-119 http://cwe.mitre.org/data/definitions/119.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:avast:avast_free_antivirus:*:*:*:*:*:*:*:* 1 OR 11.1.2245
cpe:2.3:a:avast:avast_internet_security:*:*:*:*:*:*:*:* 1 OR 11.1.2245
cpe:2.3:a:avast:avast_premier:*:*:*:*:*:*:*:* 1 OR 11.1.2245
cpe:2.3:a:avast:avast_pro_antivirus:*:*:*:*:*:*:*:* 1 OR 11.1.2245
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2015-8620
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8620
History
Created Old Value New Value Data Type Notes
2022-05-10 07:18:28 Added to TrackCVE
2022-12-02 08:56:55 2016-04-13T14:59Z 2016-04-13T14:59:03 CVE Published Date updated
2022-12-02 08:56:55 2021-03-26T20:37:27 CVE Modified Date updated
2022-12-02 08:56:55 Analyzed Vulnerability Status updated