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2 vulnerabilities found for golang.org/x/net/http2 by golang.org/x/net
CVE-2023-45288 (GCVE-0-2023-45288)
Vulnerability from nvd
Published
2024-04-04 20:37
Modified
2025-11-04 18:17
Severity ?
VLAI Severity ?
EPSS score ?
Summary
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.
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Go standard library | net/http |
Version: 0 ≤ Version: 1.22.0-0 ≤ |
|||||||
|
|||||||||
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{
"name": "CanonicalHeaderKey"
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{
"name": "Client.CloseIdleConnections"
},
{
"name": "Client.Do"
},
{
"name": "Client.Get"
},
{
"name": "Client.Head"
},
{
"name": "Client.Post"
},
{
"name": "Client.PostForm"
},
{
"name": "Cookie.String"
},
{
"name": "Cookie.Valid"
},
{
"name": "Dir.Open"
},
{
"name": "Error"
},
{
"name": "Get"
},
{
"name": "HandlerFunc.ServeHTTP"
},
{
"name": "Head"
},
{
"name": "Header.Add"
},
{
"name": "Header.Del"
},
{
"name": "Header.Get"
},
{
"name": "Header.Set"
},
{
"name": "Header.Values"
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{
"name": "Header.Write"
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{
"name": "Header.WriteSubset"
},
{
"name": "ListenAndServe"
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{
"name": "ListenAndServeTLS"
},
{
"name": "NewRequest"
},
{
"name": "NewRequestWithContext"
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{
"name": "NotFound"
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{
"name": "ParseTime"
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{
"name": "Post"
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{
"name": "PostForm"
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{
"name": "ProxyFromEnvironment"
},
{
"name": "ReadRequest"
},
{
"name": "ReadResponse"
},
{
"name": "Redirect"
},
{
"name": "Request.AddCookie"
},
{
"name": "Request.BasicAuth"
},
{
"name": "Request.FormFile"
},
{
"name": "Request.FormValue"
},
{
"name": "Request.MultipartReader"
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{
"name": "Request.ParseForm"
},
{
"name": "Request.ParseMultipartForm"
},
{
"name": "Request.PostFormValue"
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{
"name": "Request.Referer"
},
{
"name": "Request.SetBasicAuth"
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{
"name": "Request.UserAgent"
},
{
"name": "Request.Write"
},
{
"name": "Request.WriteProxy"
},
{
"name": "Response.Cookies"
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{
"name": "Response.Location"
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{
"name": "Response.Write"
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{
"name": "ResponseController.EnableFullDuplex"
},
{
"name": "ResponseController.Flush"
},
{
"name": "ResponseController.Hijack"
},
{
"name": "ResponseController.SetReadDeadline"
},
{
"name": "ResponseController.SetWriteDeadline"
},
{
"name": "Serve"
},
{
"name": "ServeContent"
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{
"name": "ServeFile"
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{
"name": "ServeMux.ServeHTTP"
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{
"name": "ServeTLS"
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{
"name": "Server.Close"
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{
"name": "Server.ListenAndServe"
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{
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{
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{
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},
{
"name": "Server.SetKeepAlivesEnabled"
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{
"name": "Server.Shutdown"
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{
"name": "SetCookie"
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{
"name": "Transport.CancelRequest"
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{
"name": "Transport.Clone"
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{
"name": "Transport.CloseIdleConnections"
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{
"name": "Transport.RoundTrip"
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"name": "body.Close"
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{
"name": "body.Read"
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"name": "bodyEOFSignal.Close"
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{
"name": "bodyEOFSignal.Read"
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"name": "bufioFlushWriter.Write"
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{
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{
"name": "checkConnErrorWriter.Write"
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{
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{
"name": "connectMethodKey.String"
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{
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{
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{
"name": "fileHandler.ServeHTTP"
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{
"name": "fileTransport.RoundTrip"
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{
"name": "globalOptionsHandler.ServeHTTP"
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{
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"name": "gzipReader.Read"
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"name": "http2ClientConn.Close"
},
{
"name": "http2ClientConn.Ping"
},
{
"name": "http2ClientConn.RoundTrip"
},
{
"name": "http2ClientConn.Shutdown"
},
{
"name": "http2ConnectionError.Error"
},
{
"name": "http2ErrCode.String"
},
{
"name": "http2FrameHeader.String"
},
{
"name": "http2FrameType.String"
},
{
"name": "http2FrameWriteRequest.String"
},
{
"name": "http2Framer.ReadFrame"
},
{
"name": "http2Framer.WriteContinuation"
},
{
"name": "http2Framer.WriteData"
},
{
"name": "http2Framer.WriteDataPadded"
},
{
"name": "http2Framer.WriteGoAway"
},
{
"name": "http2Framer.WriteHeaders"
},
{
"name": "http2Framer.WritePing"
},
{
"name": "http2Framer.WritePriority"
},
{
"name": "http2Framer.WritePushPromise"
},
{
"name": "http2Framer.WriteRSTStream"
},
{
"name": "http2Framer.WriteRawFrame"
},
{
"name": "http2Framer.WriteSettings"
},
{
"name": "http2Framer.WriteSettingsAck"
},
{
"name": "http2Framer.WriteWindowUpdate"
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{
"name": "http2GoAwayError.Error"
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{
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{
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{
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{
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{
"name": "http2StreamError.Error"
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{
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{
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"name": "http2duplicatePseudoHeaderError.Error"
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{
"name": "http2gzipReader.Close"
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{
"name": "http2gzipReader.Read"
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{
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{
"name": "http2headerFieldValueError.Error"
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{
"name": "http2noDialClientConnPool.GetClientConn"
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{
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{
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{
"name": "http2priorityWriteScheduler.CloseStream"
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{
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{
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{
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{
"name": "http2responseWriter.WriteHeader"
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{
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{
"name": "http2roundRobinWriteScheduler.OpenStream"
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{
"name": "http2serverConn.CloseConn"
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{
"name": "http2serverConn.Flush"
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{
"name": "http2stickyErrWriter.Write"
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{
"name": "http2transportResponseBody.Close"
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{
"name": "http2transportResponseBody.Read"
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{
"name": "http2writeData.String"
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{
"name": "initALPNRequest.ServeHTTP"
},
{
"name": "loggingConn.Close"
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{
"name": "loggingConn.Read"
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{
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{
"name": "maxBytesReader.Close"
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"name": "onceCloseListener.Close"
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{
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{
"name": "redirectHandler.ServeHTTP"
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{
"name": "response.Flush"
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{
"name": "response.FlushError"
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{
"name": "response.Hijack"
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{
"name": "response.ReadFrom"
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{
"name": "response.Write"
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{
"name": "response.WriteHeader"
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{
"name": "response.WriteString"
},
{
"name": "serverHandler.ServeHTTP"
},
{
"name": "socksDialer.DialWithConn"
},
{
"name": "socksUsernamePassword.Authenticate"
},
{
"name": "stringWriter.WriteString"
},
{
"name": "timeoutHandler.ServeHTTP"
},
{
"name": "timeoutWriter.Write"
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{
"name": "timeoutWriter.WriteHeader"
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{
"name": "transportReadFromServerError.Error"
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"vendor": "Go standard library",
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},
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"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "golang.org/x/net/http2",
"product": "golang.org/x/net/http2",
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"name": "ClientConn.Ping"
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{
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{
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{
"name": "Framer.WriteData"
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{
"name": "Framer.WriteDataPadded"
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{
"name": "Framer.WriteGoAway"
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{
"name": "Framer.WriteHeaders"
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{
"name": "Framer.WritePing"
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{
"name": "Framer.WritePriority"
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{
"name": "Framer.WritePushPromise"
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{
"name": "Framer.WriteRSTStream"
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{
"name": "Framer.WriteRawFrame"
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{
"name": "Framer.WriteSettings"
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{
"name": "Framer.WriteSettingsAck"
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{
"name": "GoAwayError.Error"
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{
"name": "ReadFrameHeader"
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{
"name": "Setting.String"
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{
"name": "SettingID.String"
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{
"name": "SettingsFrame.ForeachSetting"
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{
"name": "StreamError.Error"
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{
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{
"name": "Transport.NewClientConn"
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{
"name": "Transport.RoundTrip"
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{
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{
"name": "bufferedWriter.Flush"
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{
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{
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{
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{
"name": "duplicatePseudoHeaderError.Error"
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{
"name": "gzipReader.Close"
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{
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{
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{
"name": "headerFieldValueError.Error"
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{
"name": "noDialClientConnPool.GetClientConn"
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{
"name": "noDialH2RoundTripper.RoundTrip"
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{
"name": "pipe.Read"
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{
"name": "pseudoHeaderError.Error"
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{
"name": "requestBody.Close"
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"name": "requestBody.Read"
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{
"name": "responseWriter.Flush"
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{
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{
"name": "responseWriter.Push"
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{
"name": "responseWriter.SetReadDeadline"
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{
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{
"name": "responseWriter.Write"
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{
"name": "responseWriter.WriteHeader"
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{
"name": "responseWriter.WriteString"
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{
"name": "roundRobinWriteScheduler.OpenStream"
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{
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{
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{
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"credits": [
{
"lang": "en",
"value": "Bartek Nowotarski (https://nowotarski.info/)"
}
],
"descriptions": [
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"value": "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\u0027s 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."
}
],
"problemTypes": [
{
"descriptions": [
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"description": "CWE-400: Uncontrolled Resource Consumption",
"lang": "en"
}
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}
],
"providerMetadata": {
"dateUpdated": "2024-05-01T17:10:07.754Z",
"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
"shortName": "Go"
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},
{
"url": "https://pkg.go.dev/vuln/GO-2024-2687"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240419-0009/"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QRYFHIQ6XRKRYBI2F5UESH67BJBQXUPT/"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/04/05/4"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/04/03/16"
}
],
"title": "HTTP/2 CONTINUATION flood in net/http"
}
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"assignerShortName": "Go",
"cveId": "CVE-2023-45288",
"datePublished": "2024-04-04T20:37:30.714Z",
"dateReserved": "2023-10-06T17:06:26.221Z",
"dateUpdated": "2025-11-04T18:17:43.583Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2023-45288 (GCVE-0-2023-45288)
Vulnerability from cvelistv5
Published
2024-04-04 20:37
Modified
2025-11-04 18:17
Severity ?
VLAI Severity ?
EPSS score ?
Summary
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.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Go standard library | net/http |
Version: 0 ≤ Version: 1.22.0-0 ≤ |
|||||||
|
|||||||||
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"shortName": "CVE"
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"url": "https://security.netapp.com/advisory/ntap-20240419-0009/"
},
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],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QRYFHIQ6XRKRYBI2F5UESH67BJBQXUPT/"
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"url": "http://www.openwall.com/lists/oss-security/2024/04/03/16"
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{
"url": "https://www.kb.cert.org/vuls/id/421644"
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],
"title": "CVE Program Container"
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{
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{
"cpes": [
"cpe:2.3:a:go_standard_library:net\\/http:*:*:*:*:*:*:*:*"
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"metrics": [
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"options": [
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"Exploitation": "none"
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{
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{
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"shortName": "CISA-ADP"
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
"name": "Header.Add"
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{
"name": "Header.Del"
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{
"name": "Header.Get"
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{
"name": "Header.Set"
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
"name": "Request.AddCookie"
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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"credits": [
{
"lang": "en",
"value": "Bartek Nowotarski (https://nowotarski.info/)"
}
],
"descriptions": [
{
"lang": "en",
"value": "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\u0027s 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."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-400: Uncontrolled Resource Consumption",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-05-01T17:10:07.754Z",
"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
"shortName": "Go"
},
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{
"url": "https://go.dev/issue/65051"
},
{
"url": "https://go.dev/cl/576155"
},
{
"url": "https://groups.google.com/g/golang-announce/c/YgW0sx8mN3M"
},
{
"url": "https://pkg.go.dev/vuln/GO-2024-2687"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240419-0009/"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QRYFHIQ6XRKRYBI2F5UESH67BJBQXUPT/"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/04/05/4"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/04/03/16"
}
],
"title": "HTTP/2 CONTINUATION flood in net/http"
}
},
"cveMetadata": {
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"assignerShortName": "Go",
"cveId": "CVE-2023-45288",
"datePublished": "2024-04-04T20:37:30.714Z",
"dateReserved": "2023-10-06T17:06:26.221Z",
"dateUpdated": "2025-11-04T18:17:43.583Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}