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[email protected]CVE-2015-8620

HistoryApr 13, 2016 - 2:59 p.m.

CVE-2015-8620

2016-04-1314:59:03

CWE-119

[email protected]

web.nvd.nist.gov

cve-2015-8620

avast

buffer overflow

aswsnx.sys

security vulnerability

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.8 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.6%

JSON

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 configurations

NVD

Node

avastavast_free_antivirusRange≤11.1.2245

avastavast_internet_securityRange≤11.1.2245

avastavast_premierRange≤11.1.2245

avastavast_pro_antivirusRange≤11.1.2245

CPENameOperatorVersion
avast:avast_free_antivirusavast avast free antivirusle11.1.2245
avast:avast_internet_securityavast avast internet securityle11.1.2245
avast:avast_premieravast avast premierle11.1.2245
avast:avast_pro_antivirusavast avast pro antivirusle11.1.2245

CPE	Name	Operator	Version
avast:avast_free_antivirus	avast avast free antivirus	le	11.1.2245
avast:avast_internet_security	avast avast internet security	le	11.1.2245
avast:avast_premier	avast avast premier	le	11.1.2245
avast:avast_pro_antivirus	avast avast pro antivirus	le	11.1.2245

References

packetstormsecurity.com/files/135859/Avast-11.1.2245-Heap-Overflow.html

seclists.org/fulldisclosure/2016/Feb/94

www.securitytracker.com/id/1035093

www.nettitude.co.uk/exploiting-a-kernel-paged-pool-buffer-overflow-in-avast-virtualization-driver/

Social References

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.8 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.6%

JSON

Related for CVE-2015-8620

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