chore(deps): update module golang.org/x/net to v0.23.0 [security]

[felix-renovate]

This PR contains the following updates:

Package	Type	Update	Change
golang.org/x/net	indirect	minor	v0.22.0 -> v0.23.0

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HTTP/2 CONTINUATION flood in net/http

BIT-golang-2023-45288 / CVE-2023-45288 / GO-2024-2687

More information

Details

An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames.

Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request's headers exceed MaxHeaderBytes, no memory is allocated to store the excess headers, but they are still parsed.

This permits an attacker to cause an HTTP/2 endpoint to read arbitrary amounts of header data, all associated with a request which is going to be rejected. These headers can include Huffman-encoded data which is significantly more expensive for the receiver to decode than for an attacker to send.

The fix sets a limit on the amount of excess header frames we will process before closing a connection.

Severity

Unknown

References

• https://go.dev/issue/65051
• https://go.dev/cl/576155
• https://groups.google.com/g/golang-announce/c/YgW0sx8mN3M

This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).

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