diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-07 02:04:07 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-07 02:04:07 +0000 |
commit | 1221c736f9a90756d47ea6d28320b6b83602dd2a (patch) | |
tree | b453ba7b1393205258c9b098a773b4330984672f /debian/patches/CVE-2022-30556.patch | |
parent | Adding upstream version 2.4.38. (diff) | |
download | apache2-debian/2.4.38-3+deb10u8.tar.xz apache2-debian/2.4.38-3+deb10u8.zip |
Adding debian version 2.4.38-3+deb10u8.debian/2.4.38-3+deb10u8debian
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/patches/CVE-2022-30556.patch')
-rw-r--r-- | debian/patches/CVE-2022-30556.patch | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/debian/patches/CVE-2022-30556.patch b/debian/patches/CVE-2022-30556.patch new file mode 100644 index 0000000..f9b541d --- /dev/null +++ b/debian/patches/CVE-2022-30556.patch @@ -0,0 +1,250 @@ +From 3a561759fcb37af179585adb8478922dc9bc6a85 Mon Sep 17 00:00:00 2001 +From: Eric Covener <covener@apache.org> +Date: Wed, 1 Jun 2022 12:36:39 +0000 +Subject: [PATCH] Merge r1901502 from trunk: + +use filters consistently + + +git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1901503 13f79535-47bb-0310-9956-ffa450edef68 +Origin: https://github.com/apache/httpd/commit/3a561759fcb37af179585adb8478922dc9bc6a85 +--- + modules/lua/lua_request.c | 144 ++++++++++++++------------------------ + 1 file changed, 53 insertions(+), 91 deletions(-) + +diff --git a/modules/lua/lua_request.c b/modules/lua/lua_request.c +index a3e3b613bc..2ec453e86b 100644 +--- a/modules/lua/lua_request.c ++++ b/modules/lua/lua_request.c +@@ -2227,23 +2227,20 @@ static int lua_websocket_greet(lua_State *L) + return 0; + } + +-static apr_status_t lua_websocket_readbytes(conn_rec* c, char* buffer, +- apr_off_t len) ++static apr_status_t lua_websocket_readbytes(conn_rec* c, ++ apr_bucket_brigade *brigade, ++ char* buffer, apr_off_t len) + { +- apr_bucket_brigade *brigade = apr_brigade_create(c->pool, c->bucket_alloc); ++ apr_size_t delivered; + apr_status_t rv; ++ + rv = ap_get_brigade(c->input_filters, brigade, AP_MODE_READBYTES, + APR_BLOCK_READ, len); + if (rv == APR_SUCCESS) { +- if (!APR_BRIGADE_EMPTY(brigade)) { +- apr_bucket* bucket = APR_BRIGADE_FIRST(brigade); +- const char* data = NULL; +- apr_size_t data_length = 0; +- rv = apr_bucket_read(bucket, &data, &data_length, APR_BLOCK_READ); +- if (rv == APR_SUCCESS) { +- memcpy(buffer, data, len); +- } +- apr_bucket_delete(bucket); ++ delivered = len; ++ rv = apr_brigade_flatten(brigade, buffer, &delivered); ++ if ((rv == APR_SUCCESS) && (delivered < len)) { ++ rv = APR_INCOMPLETE; + } + } + apr_brigade_cleanup(brigade); +@@ -2273,35 +2270,28 @@ static int lua_websocket_peek(lua_State *L) + + static int lua_websocket_read(lua_State *L) + { +- apr_socket_t *sock; + apr_status_t rv; + int do_read = 1; + int n = 0; +- apr_size_t len = 1; + apr_size_t plen = 0; + unsigned short payload_short = 0; + apr_uint64_t payload_long = 0; + unsigned char *mask_bytes; + char byte; +- int plaintext; +- +- ++ apr_bucket_brigade *brigade; ++ conn_rec* c; ++ + request_rec *r = ap_lua_check_request_rec(L, 1); +- plaintext = ap_lua_ssl_is_https(r->connection) ? 0 : 1; ++ c = r->connection; + +- + mask_bytes = apr_pcalloc(r->pool, 4); +- sock = ap_get_conn_socket(r->connection); ++ ++ brigade = apr_brigade_create(r->pool, c->bucket_alloc); + + while (do_read) { + do_read = 0; + /* Get opcode and FIN bit */ +- if (plaintext) { +- rv = apr_socket_recv(sock, &byte, &len); +- } +- else { +- rv = lua_websocket_readbytes(r->connection, &byte, 1); +- } ++ rv = lua_websocket_readbytes(c, brigade, &byte, 1); + if (rv == APR_SUCCESS) { + unsigned char ubyte, fin, opcode, mask, payload; + ubyte = (unsigned char)byte; +@@ -2311,12 +2301,7 @@ static int lua_websocket_read(lua_State *L) + opcode = ubyte & 0xf; + + /* Get the payload length and mask bit */ +- if (plaintext) { +- rv = apr_socket_recv(sock, &byte, &len); +- } +- else { +- rv = lua_websocket_readbytes(r->connection, &byte, 1); +- } ++ rv = lua_websocket_readbytes(c, brigade, &byte, 1); + if (rv == APR_SUCCESS) { + ubyte = (unsigned char)byte; + /* Mask is the first bit */ +@@ -2327,40 +2312,25 @@ static int lua_websocket_read(lua_State *L) + + /* Extended payload? */ + if (payload == 126) { +- len = 2; +- if (plaintext) { +- /* XXX: apr_socket_recv does not receive len bits, only up to len bits! */ +- rv = apr_socket_recv(sock, (char*) &payload_short, &len); +- } +- else { +- rv = lua_websocket_readbytes(r->connection, +- (char*) &payload_short, 2); +- } +- payload_short = ntohs(payload_short); ++ rv = lua_websocket_readbytes(c, brigade, ++ (char*) &payload_short, 2); + +- if (rv == APR_SUCCESS) { +- plen = payload_short; +- } +- else { ++ if (rv != APR_SUCCESS) { + return 0; + } ++ ++ plen = ntohs(payload_short); + } + /* Super duper extended payload? */ + if (payload == 127) { +- len = 8; +- if (plaintext) { +- rv = apr_socket_recv(sock, (char*) &payload_long, &len); +- } +- else { +- rv = lua_websocket_readbytes(r->connection, +- (char*) &payload_long, 8); +- } +- if (rv == APR_SUCCESS) { +- plen = ap_ntoh64(&payload_long); +- } +- else { ++ rv = lua_websocket_readbytes(c, brigade, ++ (char*) &payload_long, 8); ++ ++ if (rv != APR_SUCCESS) { + return 0; + } ++ ++ plen = ap_ntoh64(&payload_long); + } + ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03210) + "Websocket: Reading %" APR_SIZE_T_FMT " (%s) bytes, masking is %s. %s", +@@ -2369,46 +2339,27 @@ static int lua_websocket_read(lua_State *L) + mask ? "on" : "off", + fin ? "This is a final frame" : "more to follow"); + if (mask) { +- len = 4; +- if (plaintext) { +- rv = apr_socket_recv(sock, (char*) mask_bytes, &len); +- } +- else { +- rv = lua_websocket_readbytes(r->connection, +- (char*) mask_bytes, 4); +- } ++ rv = lua_websocket_readbytes(c, brigade, ++ (char*) mask_bytes, 4); ++ + if (rv != APR_SUCCESS) { + return 0; + } + } + if (plen < (HUGE_STRING_LEN*1024) && plen > 0) { + apr_size_t remaining = plen; +- apr_size_t received; +- apr_off_t at = 0; + char *buffer = apr_palloc(r->pool, plen+1); + buffer[plen] = 0; + +- if (plaintext) { +- while (remaining > 0) { +- received = remaining; +- rv = apr_socket_recv(sock, buffer+at, &received); +- if (received > 0 ) { +- remaining -= received; +- at += received; +- } +- } +- ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, +- "Websocket: Frame contained %" APR_OFF_T_FMT " bytes, pushed to Lua stack", +- at); +- } +- else { +- rv = lua_websocket_readbytes(r->connection, buffer, +- remaining); +- ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, +- "Websocket: SSL Frame contained %" APR_SIZE_T_FMT " bytes, "\ +- "pushed to Lua stack", +- remaining); ++ rv = lua_websocket_readbytes(c, brigade, buffer, remaining); ++ ++ if (rv != APR_SUCCESS) { ++ return 0; + } ++ ++ ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, ++ "Websocket: Frame contained %" APR_SIZE_T_FMT \ ++ " bytes, pushed to Lua stack", remaining); + if (mask) { + for (n = 0; n < plen; n++) { + buffer[n] ^= mask_bytes[n%4]; +@@ -2420,14 +2371,25 @@ static int lua_websocket_read(lua_State *L) + return 2; + } + +- + /* Decide if we need to react to the opcode or not */ + if (opcode == 0x09) { /* ping */ + char frame[2]; +- plen = 2; ++ apr_bucket *b; ++ + frame[0] = 0x8A; + frame[1] = 0; +- apr_socket_send(sock, frame, &plen); /* Pong! */ ++ ++ /* Pong! */ ++ b = apr_bucket_transient_create(frame, 2, c->bucket_alloc); ++ APR_BRIGADE_INSERT_TAIL(brigade, b); ++ ++ rv = ap_pass_brigade(c->output_filters, brigade); ++ apr_brigade_cleanup(brigade); ++ ++ if (rv != APR_SUCCESS) { ++ return 0; ++ } ++ + do_read = 1; + } + } +-- +2.30.2 + |