Vulnerability CVE-2020-26141


Published: 2021-05-11

Description:
An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H. The Wi-Fi implementation does not verify the Message Integrity Check (authenticity) of fragmented TKIP frames. An adversary can abuse this to inject and possibly decrypt packets in WPA or WPA2 networks that support the TKIP data-confidentiality protocol.

Type:

CWE-354

(Improper Validation of Integrity Check Value)

CVSS2 => (AV:A/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.3/10
2.9/10
6.5/10
Exploit range
Attack complexity
Authentication
Adjacent network
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None

 References:
https://www.fragattacks.com
https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md
http://www.openwall.com/lists/oss-security/2021/05/11/12

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