CVE-2015-8620
Avast Virtualization Driver Heap Buffer Overflow
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.
INFO
Published Date :
April 13, 2016, 2:59 p.m.
Last Modified :
March 26, 2021, 8:37 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Affected Products
The following products are affected by CVE-2015-8620
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2015-8620.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/135859/Avast-11.1.2245-Heap-Overflow.html | Exploit Third Party Advisory VDB Entry |
| http://seclists.org/fulldisclosure/2016/Feb/94 | Exploit Mailing List Third Party Advisory |
| http://www.securitytracker.com/id/1035093 | Third Party Advisory VDB Entry |
| https://www.nettitude.co.uk/exploiting-a-kernel-paged-pool-buffer-overflow-in-avast-virtualization-driver/ | Exploit |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-8620 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-8620 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Mar. 26, 2021
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C) Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://packetstormsecurity.com/files/135859/Avast-11.1.2245-Heap-Overflow.html Exploit http://packetstormsecurity.com/files/135859/Avast-11.1.2245-Heap-Overflow.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type http://seclists.org/fulldisclosure/2016/Feb/94 Exploit http://seclists.org/fulldisclosure/2016/Feb/94 Exploit, Mailing List, Third Party Advisory Changed Reference Type http://www.securitytracker.com/id/1035093 No Types Assigned http://www.securitytracker.com/id/1035093 Third Party Advisory, VDB Entry Changed CPE Configuration OR *cpe:2.3:a:avast:avast_free_antivirus:*:*:*:*:*:*:*:* versions up to (including) v11.1.2245 *cpe:2.3:a:avast:avast_internet_security:*:*:*:*:*:*:*:* versions up to (including) v11.1.2245 *cpe:2.3:a:avast:avast_premier:*:*:*:*:*:*:*:* versions up to (including) v11.1.2245 *cpe:2.3:a:avast:avast_pro_antivirus:*:*:*:*:*:*:*:* versions up to (including) v11.1.2245 OR *cpe:2.3:a:avast:avast_free_antivirus:*:*:*:*:*:*:*:* versions up to (including) 11.1.2245 *cpe:2.3:a:avast:avast_internet_security:*:*:*:*:*:*:*:* versions up to (including) 11.1.2245 *cpe:2.3:a:avast:avast_premier:*:*:*:*:*:*:*:* versions up to (including) 11.1.2245 *cpe:2.3:a:avast:avast_pro_antivirus:*:*:*:*:*:*:*:* versions up to (including) 11.1.2245 -
Modified Analysis by [email protected]
Apr. 14, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:avast:avast_free_antivirus:v11.1.2245:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:avast:avast_premier:v11.1.2245:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:avast:avast_pro_antivirus:v11.1.2245:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:avast:avast_internet_security:v11.1.2245:*:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://packetstormsecurity.com/files/135859/Avast-11.1.2245-Heap-Overflow.html No Types Assigned http://packetstormsecurity.com/files/135859/Avast-11.1.2245-Heap-Overflow.html Exploit Changed Reference Type https://www.nettitude.co.uk/exploiting-a-kernel-paged-pool-buffer-overflow-in-avast-virtualization-driver/ No Types Assigned https://www.nettitude.co.uk/exploiting-a-kernel-paged-pool-buffer-overflow-in-avast-virtualization-driver/ Exploit Changed Reference Type http://seclists.org/fulldisclosure/2016/Feb/94 No Types Assigned http://seclists.org/fulldisclosure/2016/Feb/94 Exploit Added CWE CWE-119 -
Initial Analysis by [email protected]
Apr. 14, 2016
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-8620 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2015-8620
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} -0.01%
score
0.33211
percentile