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CVE
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CVE-2020-26142Date: (C)2021-05-13   (M)2024-04-26


An issue was discovered in the kernel in OpenBSD 6.6. The WEP, WPA, WPA2, and WPA3 implementations treat fragmented frames as full frames. An adversary can abuse this to inject arbitrary network packets, independent of the network configuration.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.3CVSS Score : 2.6
Exploit Score: 1.6Exploit Score: 4.9
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: HIGHAccess Complexity: HIGH
Privileges Required: NONEAuthentication: NONE
User Interaction: REQUIREDConfidentiality: NONE
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: NONEAvailability: NONE
Integrity: HIGH 
Availability: NONE 
  
Reference:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
http://www.openwall.com/lists/oss-security/2021/05/11/12
https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md
https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63
https://www.fragattacks.com

CWE    1
CWE-74
OVAL    3
oval:org.secpod.oval:def:1505125
oval:org.secpod.oval:def:1505135
oval:org.secpod.oval:def:1505597

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