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cve[email protected]CVE-2020-9395
HistoryJul 06, 2020 - 10:15 p.m.

CVE-2020-9395

2020-07-0622:15:11
CWE-787
web.nvd.nist.gov
60
8
cve-2020-9395
realtek
buffer overflow
security vulnerability
wpa2
eapol-key packet

CVSS2

4.9

Attack Vector

ADJACENT_NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.1

Confidence

High

EPSS

0

Percentile

12.6%

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.

Affected configurations

NVD
Node
realtekrtl8711afMatch-
AND
realtekrtl8711af_firmwareRange<2.0.6
Node
realtekrtl8711amMatch-
AND
realtekrtl8711am_firmwareRange<2.0.6
Node
realtekrtl8195amMatch-
AND
realtekrtl8195am_firmwareRange<2.0.6
Node
realtekrtl8710afMatch-
AND
realtekrtl8710af_firmwareRange<2.0.6

Social References

More

CVSS2

4.9

Attack Vector

ADJACENT_NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.1

Confidence

High

EPSS

0

Percentile

12.6%