File CVE-2024-22019.patch of Package nodejs14
Index: node-v14.21.3/deps/llhttp/include/llhttp.h
===================================================================
--- node-v14.21.3.orig/deps/llhttp/include/llhttp.h
+++ node-v14.21.3/deps/llhttp/include/llhttp.h
@@ -255,6 +255,10 @@ struct llhttp_settings_s {
*/
llhttp_cb on_headers_complete;
+ /* Possible return values 0, -1, HPE_USER */
+ llhttp_data_cb on_chunk_parameters;
+
+ /* Possible return values 0, -1, HPE_USER */
llhttp_data_cb on_body;
/* Possible return values 0, -1, `HPE_PAUSED` */
Index: node-v14.21.3/deps/llhttp/src/api.c
===================================================================
--- node-v14.21.3.orig/deps/llhttp/src/api.c
+++ node-v14.21.3/deps/llhttp/src/api.c
@@ -15,6 +15,21 @@
err = settings->NAME(__VA_ARGS__); \
} while (0)
+#define SPAN_CALLBACK_MAYBE(PARSER, NAME, START, LEN) \
+ do { \
+ const llhttp_settings_t* settings; \
+ settings = (const llhttp_settings_t*) (PARSER)->settings; \
+ if (settings == NULL || settings->NAME == NULL) { \
+ err = 0; \
+ break; \
+ } \
+ err = settings->NAME((PARSER), (START), (LEN)); \
+ if (err == -1) { \
+ err = HPE_USER; \
+ llhttp_set_error_reason((PARSER), "Span callback error in " #NAME); \
+ } \
+ } while (0)
+
void llhttp_init(llhttp_t* parser, llhttp_type_t type,
const llhttp_settings_t* settings) {
llhttp__internal_init(parser);
@@ -201,6 +216,13 @@ int llhttp__on_chunk_header(llhttp_t* s,
return err;
}
+
+int llhttp__on_chunk_parameters(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ SPAN_CALLBACK_MAYBE(s, on_chunk_parameters, p, endp - p);
+ return err;
+}
+
int llhttp__on_chunk_complete(llhttp_t* s, const char* p, const char* endp) {
int err;
Index: node-v14.21.3/deps/llhttp/src/llhttp.c
===================================================================
--- node-v14.21.3.orig/deps/llhttp/src/llhttp.c
+++ node-v14.21.3/deps/llhttp/src/llhttp.c
@@ -307,6 +307,8 @@ enum llparse_state_e {
s_n_llhttp__internal__n_invoke_is_equal_content_length,
s_n_llhttp__internal__n_chunk_size_almost_done,
s_n_llhttp__internal__n_chunk_parameters,
+ s_n_llhttp__internal__n_span_start_llhttp__on_chunk_parameters,
+ s_n_llhttp__internal__n_chunk_parameters_ows,
s_n_llhttp__internal__n_chunk_size_otherwise,
s_n_llhttp__internal__n_chunk_size,
s_n_llhttp__internal__n_chunk_size_digit,
@@ -482,6 +484,10 @@ int llhttp__on_body(
llhttp__internal_t* s, const unsigned char* p,
const unsigned char* endp);
+int llhttp__on_chunk_parameters(
+ llhttp__internal_t* s, const unsigned char* p,
+ const unsigned char* endp);
+
int llhttp__on_status(
llhttp__internal_t* s, const unsigned char* p,
const unsigned char* endp);
@@ -1118,8 +1124,7 @@ static llparse_state_t llhttp__internal_
goto s_n_llhttp__internal__n_chunk_parameters;
}
case 2: {
- p++;
- goto s_n_llhttp__internal__n_chunk_size_almost_done;
+ goto s_n_llhttp__internal__n_span_end_llhttp__on_chunk_parameters;
}
default: {
goto s_n_llhttp__internal__n_error_10;
@@ -1128,6 +1133,34 @@ static llparse_state_t llhttp__internal_
/* UNREACHABLE */;
abort();
}
+ case s_n_llhttp__internal__n_span_start_llhttp__on_chunk_parameters:
+ s_n_llhttp__internal__n_span_start_llhttp__on_chunk_parameters: {
+ if (p == endp) {
+ return s_n_llhttp__internal__n_span_start_llhttp__on_chunk_parameters;
+ }
+ state->_span_pos0 = (void*) p;
+ state->_span_cb0 = llhttp__on_chunk_parameters;
+ goto s_n_llhttp__internal__n_chunk_parameters;
+ /* UNREACHABLE */;
+ abort();
+ }
+ case s_n_llhttp__internal__n_chunk_parameters_ows:
+ s_n_llhttp__internal__n_chunk_parameters_ows: {
+ if (p == endp) {
+ return s_n_llhttp__internal__n_chunk_parameters_ows;
+ }
+ switch (*p) {
+ case ' ': {
+ p++;
+ goto s_n_llhttp__internal__n_chunk_parameters_ows;
+ }
+ default: {
+ goto s_n_llhttp__internal__n_span_start_llhttp__on_chunk_parameters;
+ }
+ }
+ /* UNREACHABLE */;
+ abort();
+ }
case s_n_llhttp__internal__n_chunk_size_otherwise:
s_n_llhttp__internal__n_chunk_size_otherwise: {
if (p == endp) {
@@ -1138,13 +1171,9 @@ static llparse_state_t llhttp__internal_
p++;
goto s_n_llhttp__internal__n_chunk_size_almost_done;
}
- case ' ': {
- p++;
- goto s_n_llhttp__internal__n_chunk_parameters;
- }
case ';': {
p++;
- goto s_n_llhttp__internal__n_chunk_parameters;
+ goto s_n_llhttp__internal__n_chunk_parameters_ows;
}
default: {
goto s_n_llhttp__internal__n_error_11;
@@ -5449,6 +5478,24 @@ static llparse_state_t llhttp__internal_
/* UNREACHABLE */;
abort();
}
+ s_n_llhttp__internal__n_span_end_llhttp__on_chunk_parameters: {
+ const unsigned char* start;
+ int err;
+
+ start = state->_span_pos0;
+ state->_span_pos0 = NULL;
+ err = llhttp__on_chunk_parameters(state, start, p);
+ if (err != 0) {
+ state->error = err;
+ state->error_pos = (const char*) (p + 1);
+ state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_chunk_size_almost_done;
+ return s_error;
+ }
+ p++;
+ goto s_n_llhttp__internal__n_chunk_size_almost_done;
+ /* UNREACHABLE */;
+ abort();
+ }
s_n_llhttp__internal__n_error_10: {
state->error = 0x2;
state->reason = "Invalid character in chunk parameters";
@@ -7414,6 +7461,8 @@ enum llparse_state_e {
s_n_llhttp__internal__n_invoke_is_equal_content_length,
s_n_llhttp__internal__n_chunk_size_almost_done,
s_n_llhttp__internal__n_chunk_parameters,
+ s_n_llhttp__internal__n_span_start_llhttp__on_chunk_parameters,
+ s_n_llhttp__internal__n_chunk_parameters_ows,
s_n_llhttp__internal__n_chunk_size_otherwise,
s_n_llhttp__internal__n_chunk_size,
s_n_llhttp__internal__n_chunk_size_digit,
@@ -7584,6 +7633,10 @@ int llhttp__on_body(
llhttp__internal_t* s, const unsigned char* p,
const unsigned char* endp);
+int llhttp__on_chunk_parameters(
+ llhttp__internal_t* s, const unsigned char* p,
+ const unsigned char* endp);
+
int llhttp__on_status(
llhttp__internal_t* s, const unsigned char* p,
const unsigned char* endp);
@@ -8185,8 +8238,7 @@ static llparse_state_t llhttp__internal_
goto s_n_llhttp__internal__n_chunk_parameters;
}
case 2: {
- p++;
- goto s_n_llhttp__internal__n_chunk_size_almost_done;
+ goto s_n_llhttp__internal__n_span_end_llhttp__on_chunk_parameters;
}
default: {
goto s_n_llhttp__internal__n_error_6;
@@ -8195,6 +8247,34 @@ static llparse_state_t llhttp__internal_
/* UNREACHABLE */;
abort();
}
+ case s_n_llhttp__internal__n_span_start_llhttp__on_chunk_parameters:
+ s_n_llhttp__internal__n_span_start_llhttp__on_chunk_parameters: {
+ if (p == endp) {
+ return s_n_llhttp__internal__n_span_start_llhttp__on_chunk_parameters;
+ }
+ state->_span_pos0 = (void*) p;
+ state->_span_cb0 = llhttp__on_chunk_parameters;
+ goto s_n_llhttp__internal__n_chunk_parameters;
+ /* UNREACHABLE */;
+ abort();
+ }
+ case s_n_llhttp__internal__n_chunk_parameters_ows:
+ s_n_llhttp__internal__n_chunk_parameters_ows: {
+ if (p == endp) {
+ return s_n_llhttp__internal__n_chunk_parameters_ows;
+ }
+ switch (*p) {
+ case ' ': {
+ p++;
+ goto s_n_llhttp__internal__n_chunk_parameters_ows;
+ }
+ default: {
+ goto s_n_llhttp__internal__n_span_start_llhttp__on_chunk_parameters;
+ }
+ }
+ /* UNREACHABLE */;
+ abort();
+ }
case s_n_llhttp__internal__n_chunk_size_otherwise:
s_n_llhttp__internal__n_chunk_size_otherwise: {
if (p == endp) {
@@ -8205,13 +8285,9 @@ static llparse_state_t llhttp__internal_
p++;
goto s_n_llhttp__internal__n_chunk_size_almost_done;
}
- case ' ': {
- p++;
- goto s_n_llhttp__internal__n_chunk_parameters;
- }
case ';': {
p++;
- goto s_n_llhttp__internal__n_chunk_parameters;
+ goto s_n_llhttp__internal__n_chunk_parameters_ows;
}
default: {
goto s_n_llhttp__internal__n_error_7;
@@ -12312,6 +12388,24 @@ static llparse_state_t llhttp__internal_
/* UNREACHABLE */;
abort();
}
+ s_n_llhttp__internal__n_span_end_llhttp__on_chunk_parameters: {
+ const unsigned char* start;
+ int err;
+
+ start = state->_span_pos0;
+ state->_span_pos0 = NULL;
+ err = llhttp__on_chunk_parameters(state, start, p);
+ if (err != 0) {
+ state->error = err;
+ state->error_pos = (const char*) (p + 1);
+ state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_chunk_size_almost_done;
+ return s_error;
+ }
+ p++;
+ goto s_n_llhttp__internal__n_chunk_size_almost_done;
+ /* UNREACHABLE */;
+ abort();
+ }
s_n_llhttp__internal__n_error_6: {
state->error = 0x2;
state->reason = "Invalid character in chunk parameters";
Index: node-v14.21.3/doc/api/errors.md
===================================================================
--- node-v14.21.3.orig/doc/api/errors.md
+++ node-v14.21.3/doc/api/errors.md
@@ -2326,6 +2326,18 @@ malconfigured clients, if more than 8KB
HTTP parsing will abort without a request or response object being created, and
an `Error` with this code will be emitted.
+<a id="HPE_CHUNK_EXTENSIONS_OVERFLOW"></a>
+
+### `HPE_CHUNK_EXTENSIONS_OVERFLOW`
+
+<!-- YAML
+added: REPLACEME
+-->
+
+Too much data was received for a chunk extensions. In order to protect against
+malicious or malconfigured clients, if more than 16 KiB of data is received
+then an `Error` with this code will be emitted.
+
<a id="HPE_UNEXPECTED_CONTENT_LENGTH"></a>
### `HPE_UNEXPECTED_CONTENT_LENGTH`
Index: node-v14.21.3/test/parallel/test-http-chunk-extensions-limit.js
===================================================================
--- /dev/null
+++ node-v14.21.3/test/parallel/test-http-chunk-extensions-limit.js
@@ -0,0 +1,131 @@
+'use strict';
+
+const common = require('../common');
+const http = require('http');
+const net = require('net');
+const assert = require('assert');
+
+// Verify that chunk extensions are limited in size when sent all together.
+{
+ const server = http.createServer((req, res) => {
+ req.on('end', () => {
+ res.writeHead(200, { 'Content-Type': 'text/plain' });
+ res.end('bye');
+ });
+
+ req.resume();
+ });
+
+ server.listen(0, () => {
+ const sock = net.connect(server.address().port);
+ let data = '';
+
+ sock.on('data', (chunk) => data += chunk.toString('utf-8'));
+
+ sock.on('end', common.mustCall(function() {
+ assert.strictEqual(data, 'HTTP/1.1 413 Payload Too Large\r\nConnection: close\r\n\r\n');
+ server.close();
+ }));
+
+ sock.end('' +
+ 'GET / HTTP/1.1\r\n' +
+ 'Host: localhost:8080\r\n' +
+ 'Transfer-Encoding: chunked\r\n\r\n' +
+ '2;' + 'A'.repeat(20000) + '=bar\r\nAA\r\n' +
+ '0\r\n\r\n'
+ );
+ });
+}
+
+// Verify that chunk extensions are limited in size when sent in intervals.
+{
+ const server = http.createServer((req, res) => {
+ req.on('end', () => {
+ res.writeHead(200, { 'Content-Type': 'text/plain' });
+ res.end('bye');
+ });
+
+ req.resume();
+ });
+
+ server.listen(0, () => {
+ const sock = net.connect(server.address().port);
+ let remaining = 20000;
+ let data = '';
+
+ const interval = setInterval(
+ () => {
+ if (remaining > 0) {
+ sock.write('A'.repeat(1000));
+ } else {
+ sock.write('=bar\r\nAA\r\n0\r\n\r\n');
+ clearInterval(interval);
+ }
+
+ remaining -= 1000;
+ },
+ common.platformTimeout(20),
+ ).unref();
+
+ sock.on('data', (chunk) => data += chunk.toString('utf-8'));
+
+ sock.on('end', common.mustCall(function() {
+ assert.strictEqual(data, 'HTTP/1.1 413 Payload Too Large\r\nConnection: close\r\n\r\n');
+ server.close();
+ }));
+
+ sock.write('' +
+ 'GET / HTTP/1.1\r\n' +
+ 'Host: localhost:8080\r\n' +
+ 'Transfer-Encoding: chunked\r\n\r\n' +
+ '2;'
+ );
+ });
+}
+
+// Verify the chunk extensions is correctly reset after a chunk
+{
+ const server = http.createServer((req, res) => {
+ req.on('end', () => {
+ res.writeHead(200, { 'content-type': 'text/plain', 'connection': 'close', 'date': 'now' });
+ res.end('bye');
+ });
+
+ req.resume();
+ });
+
+ server.listen(0, () => {
+ const sock = net.connect(server.address().port);
+ let data = '';
+
+ sock.on('data', (chunk) => data += chunk.toString('utf-8'));
+
+ sock.on('end', common.mustCall(function() {
+ assert.strictEqual(
+ data,
+ 'HTTP/1.1 200 OK\r\n' +
+ 'content-type: text/plain\r\n' +
+ 'connection: close\r\n' +
+ 'date: now\r\n' +
+ 'Transfer-Encoding: chunked\r\n' +
+ '\r\n' +
+ '3\r\n' +
+ 'bye\r\n' +
+ '0\r\n' +
+ '\r\n',
+ );
+
+ server.close();
+ }));
+
+ sock.end('' +
+ 'GET / HTTP/1.1\r\n' +
+ 'Host: localhost:8080\r\n' +
+ 'Transfer-Encoding: chunked\r\n\r\n' +
+ '2;' + 'A'.repeat(10000) + '=bar\r\nAA\r\n' +
+ '2;' + 'A'.repeat(10000) + '=bar\r\nAA\r\n' +
+ '2;' + 'A'.repeat(10000) + '=bar\r\nAA\r\n' +
+ '0\r\n\r\n'
+ );
+ });
+}
Index: node-v14.21.3/lib/_http_server.js
===================================================================
--- node-v14.21.3.orig/lib/_http_server.js
+++ node-v14.21.3/lib/_http_server.js
@@ -636,6 +636,11 @@ const requestHeaderFieldsTooLargeRespons
`HTTP/1.1 431 ${STATUS_CODES[431]}${CRLF}` +
`Connection: close${CRLF}${CRLF}`, 'ascii'
);
+const requestChunkExtensionsTooLargeResponse = Buffer.from(
+ `HTTP/1.1 413 ${STATUS_CODES[413]}\r\n` +
+ 'Connection: close\r\n\r\n', 'ascii',
+);
+
function socketOnError(e) {
// Ignore further errors
this.removeListener('error', socketOnError);
@@ -649,6 +654,9 @@ function socketOnError(e) {
case 'HPE_HEADER_OVERFLOW':
response = requestHeaderFieldsTooLargeResponse;
break;
+ case 'HPE_CHUNK_EXTENSIONS_OVERFLOW':
+ response = requestChunkExtensionsTooLargeResponse;
+ break;
case 'ERR_HTTP_REQUEST_TIMEOUT':
response = requestTimeoutResponse;
break;
Index: node-v14.21.3/src/node_http_parser.cc
===================================================================
--- node-v14.21.3.orig/src/node_http_parser.cc
+++ node-v14.21.3/src/node_http_parser.cc
@@ -78,6 +78,8 @@ const uint32_t kOnExecute = 5;
const uint32_t kOnTimeout = 6;
// Any more fields than this will be flushed into JS
const size_t kMaxHeaderFieldsCount = 32;
+// Maximum size of chunk extensions
+const size_t kMaxChunkExtensionsSize = 16384;
inline bool IsOWS(char c) {
return c == ' ' || c == '\t';
@@ -202,6 +204,7 @@ class Parser : public AsyncWrap, public
int on_message_begin() {
num_fields_ = num_values_ = 0;
+ chunk_extensions_nread_ = 0;
url_.Reset();
status_message_.Reset();
header_parsing_start_time_ = uv_hrtime();
@@ -451,9 +454,22 @@ class Parser : public AsyncWrap, public
return 0;
}
- // Reset nread for the next chunk
+ int on_chunk_extension(const char* at, size_t length) {
+ chunk_extensions_nread_ += length;
+
+ if (chunk_extensions_nread_ > kMaxChunkExtensionsSize) {
+ llhttp_set_error_reason(&parser_,
+ "HPE_CHUNK_EXTENSIONS_OVERFLOW:Chunk extensions overflow");
+ return HPE_USER;
+ }
+
+ return 0;
+ }
+
+ // Reset nread for the next chunk and also reset the extensions counter
int on_chunk_header() {
header_nread_ = 0;
+ chunk_extensions_nread_ = 0;
return 0;
}
@@ -904,6 +920,7 @@ class Parser : public AsyncWrap, public
unsigned int execute_depth_ = 0;
bool pending_pause_ = false;
uint64_t header_nread_ = 0;
+ uint64_t chunk_extensions_nread_ = 0;
uint64_t max_http_header_size_;
uint64_t headers_timeout_;
uint64_t header_parsing_start_time_ = 0;
@@ -938,6 +955,7 @@ const llhttp_settings_t Parser::settings
Proxy<DataCall, &Parser::on_header_field>::Raw,
Proxy<DataCall, &Parser::on_header_value>::Raw,
Proxy<Call, &Parser::on_headers_complete>::Raw,
+ Proxy<DataCall, &Parser::on_chunk_extension>::Raw,
Proxy<DataCall, &Parser::on_body>::Raw,
Proxy<Call, &Parser::on_message_complete>::Raw,
Proxy<Call, &Parser::on_chunk_header>::Raw,
