CVE-2020-26143 – kernel: accepting fragmented plaintext frames in protected networks

https://notcve.org/view.php?id=CVE-2020-26143

An issue was discovered in the ALFA Windows 10 driver 1030.36.604 for AWUS036ACH. The WEP, WPA, WPA2, and WPA3 implementations accept fragmented plaintext frames in a protected Wi-Fi network. An adversary can abuse this to inject arbitrary data frames independent of the network configuration. Se detectó un problema en el controlador ALFA Windows 10 versión 1030.36.604 para AWUS036ACH. Las implementaciones WEP, WPA, WPA2 y WPA3 aceptan tramas de texto plano fragmentados en una red Wi-Fi protegida. • 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-2020-26143 https://bugzilla.redhat.com/show&# • CWE-20: Improper Input Validation CWE-346: Origin Validation Error •