CVE-2020-9395

An issue was discovered on Realtek RTL8195AM, RTL8711AM, RTL8711AF, and RTL8710AF devices before 2.0.6. A stack-based buffer overflow exists in the client code that takes care of WPA2's 4-way-handshake via a malformed EAPOL-Key packet with a long keydata buffer.

CVSS v3.0 8.0 HIGH
CVSS v2.0 4.9 MEDIUM

8.0^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.3 / Impact : 6.0

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:A/AC:M/Au:S/C:P/I:P/A:P

Exploitability : 4.4 / Impact : 6.4

Access Vector ADJACENT_NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/ambiot/amb1_sdk/commit/bc5173d5d4faf6829074b0f1e1b242c12b7777a3#diff-700c216fb376666eaeda0c892e8bdc09	Patch Third Party Advisory
https://github.com/ambiot/amb1_arduino/commit/dcea55cf9775a0166805b3db845b237ecd5e74ea#diff-d06e7a87f34cc464a56799a419033014	Patch Third Party Advisory
https://www.amebaiot.com/en/security_bulletin/	Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:realtek:rtl8711af_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:realtek:rtl8711af:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:realtek:rtl8711am_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:realtek:rtl8711am:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:realtek:rtl8195am_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:realtek:rtl8195am:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:realtek:rtl8710af_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:realtek:rtl8710af:-:*:*:*:*:*:*:*

Information

Published : 2020-07-06 15:15

Updated : 2021-07-21 04:39

NVD link : CVE-2020-9395

Mitre link : CVE-2020-9395

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

realtek

rtl8711af
rtl8710af_firmware
rtl8195am
rtl8710af
rtl8711af_firmware
rtl8711am
rtl8711am_firmware
rtl8195am_firmware

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