CVE-2020-26141 – kernel: not verifying TKIP MIC of fragmented frames

https://notcve.org/view.php?id=CVE-2020-26141

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. Se detectó un problema en el controlador ALFA de Windows 10 versión 6.1316.1209 para AWUS036H. La implementación de Wi-Fi no verifica la Comprobación de Integridad del Mensaje (autenticidad) de las tramas TKIP fragmentadas. • http://www.openwall.com/lists/oss-security/2021/05/11/12 https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63 https://www.fragattacks.com https://access.redhat.com/security/cve/CVE-2020-26141 https://bugzilla.redhat.com/show&# • CWE-354: Improper Validation of Integrity Check Value CWE-863: Incorrect Authorization •