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[email protected]NVD: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

CVSS2

7.2

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

CVSS3

7.8

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

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

33.2%

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

VendorProductVersionCPE
avastavast_free_antivirus*cpe:2.3:a:avast:avast_free_antivirus:*:*:*:*:*:*:*:*
avastavast_internet_security*cpe:2.3:a:avast:avast_internet_security:*:*:*:*:*:*:*:*
avastavast_premier*cpe:2.3:a:avast:avast_premier:*:*:*:*:*:*:*:*
avastavast_pro_antivirus*cpe:2.3:a:avast:avast_pro_antivirus:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
avast	avast_free_antivirus	*	cpe:2.3:a:avast:avast_free_antivirus::::::::
avast	avast_internet_security	*	cpe:2.3:a:avast:avast_internet_security::::::::
avast	avast_premier	*	cpe:2.3:a:avast:avast_premier::::::::
avast	avast_pro_antivirus	*	cpe:2.3:a:avast:avast_pro_antivirus::::::::

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/

CVSS2

7.2

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

CVSS3

7.8

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

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

33.2%

JSON

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