CVE-2020-26142

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 v3.0 5.3 MEDIUM
CVSS v2.0 2.6 LOW

5.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

2.6^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:H/Au:N/C:N/I:P/A:N

Exploitability : 4.9 / Impact : 2.9

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://www.fragattacks.com	Third Party Advisory
https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md	Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/11/12	Mailing List Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu	Third Party Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:o:openbsd:openbsd:6.6:*:*:*:*:*:*:*

Information

Published : 2021-05-11 13:15

Updated : 2021-12-03 13:12

NVD link : CVE-2020-26142

Mitre link : CVE-2020-26142

JSON object : View

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

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Products Affected

openbsd

openbsd

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