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CVE-2022-41721

Good to know:

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Date: January 13, 2023

A request smuggling attack is possible when using MaxBytesHandler. When using MaxBytesHandler, the body of an HTTP request is not fully consumed. When the server attempts to read HTTP2 frames from the connection, it will instead be reading the body of the HTTP request, which could be attacker-manipulated to represent arbitrary HTTP2 requests.

Language: Go

Severity Score

Related Resources (8)

https://pkg.go.dev/vuln/GO-2023-1495
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X3H3EWQXM2XL5AGBX6UL443JEJ3GQXJN/
https://go.dev/cl/447396
https://access.redhat.com/security/cve/CVE-2022-41721
https://nvd.nist.gov/vuln/detail/CVE-2022-41721
https://go.dev/issue/56352
https://security-tracker.debian.org/tracker/CVE-2022-41721
https://www.mend.io/vulnerability-database/CVE-2022-41721

Severity Score

Weakness Type (CWE)

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

CWE-444

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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