chore(deps): update module golang.org/x/net to v0.23.0 [security] (release-0.27)

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
golang.org/x/net	v0.21.0 -> v0.23.0

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net/http, x/net/http2: close connections when receiving too many headers

BIT-golang-2023-45288 / CVE-2023-45288 / GHSA-4v7x-pqxf-cx7m / 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

• CVSS Score: 5.3 / 10 (Medium)
• Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-45288
• https://go.dev/cl/576155
• https://go.dev/issue/65051
• https://groups.google.com/g/golang-announce/c/YgW0sx8mN3M
• https://nowotarski.info/http2-continuation-flood-technical-details
• https://pkg.go.dev/vuln/GO-2024-2687
• https://security.netapp.com/advisory/ntap-20240419-0009

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

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HTTP/2 CONTINUATION flood in net/http

BIT-golang-2023-45288 / CVE-2023-45288 / GHSA-4v7x-pqxf-cx7m / 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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