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cmake: Patch HIGH CVE-2024-2398 in bundled curl and MEDIUM CVE-2024-2…
…8182 in bundled nghttp2
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@@ -0,0 +1,94 @@ | ||
From c9adb2114e9d9d4a50ff273234c2a1f8518aafd1 Mon Sep 17 00:00:00 2001 | ||
From: Vince Perri <[email protected]> | ||
Date: Wed, 20 Nov 2024 22:38:53 +0000 | ||
Subject: [PATCH] http2: push headers better cleanup | ||
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||
Original patch: https://github.com/curl/curl/commit/deca8039991886a559b67bcd6 | ||
--- | ||
Utilities/cmcurl/lib/http2.c | 34 +++++++++++++++------------------- | ||
1 file changed, 15 insertions(+), 19 deletions(-) | ||
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diff --git a/Utilities/cmcurl/lib/http2.c b/Utilities/cmcurl/lib/http2.c | ||
index f194c18b..50b8cd54 100644 | ||
--- a/Utilities/cmcurl/lib/http2.c | ||
+++ b/Utilities/cmcurl/lib/http2.c | ||
@@ -116,6 +116,15 @@ static int http2_getsock(struct Curl_easy *data, | ||
return bitmap; | ||
} | ||
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+static void free_push_headers(struct HTTP *stream) | ||
+{ | ||
+ size_t i; | ||
+ for(i = 0; i<stream->push_headers_used; i++) | ||
+ free(stream->push_headers[i]); | ||
+ Curl_safefree(stream->push_headers); | ||
+ stream->push_headers_used = 0; | ||
+} | ||
+ | ||
/* | ||
* http2_stream_free() free HTTP2 stream related data | ||
*/ | ||
@@ -123,11 +132,7 @@ static void http2_stream_free(struct HTTP *http) | ||
{ | ||
if(http) { | ||
Curl_dyn_free(&http->header_recvbuf); | ||
- for(; http->push_headers_used > 0; --http->push_headers_used) { | ||
- free(http->push_headers[http->push_headers_used - 1]); | ||
- } | ||
- free(http->push_headers); | ||
- http->push_headers = NULL; | ||
+ free_push_headers(http); | ||
} | ||
} | ||
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@@ -559,7 +564,6 @@ static int push_promise(struct Curl_easy *data, | ||
struct curl_pushheaders heads; | ||
CURLMcode rc; | ||
struct http_conn *httpc; | ||
- size_t i; | ||
/* clone the parent */ | ||
struct Curl_easy *newhandle = duphandle(data); | ||
if(!newhandle) { | ||
@@ -595,11 +599,7 @@ static int push_promise(struct Curl_easy *data, | ||
Curl_set_in_callback(data, false); | ||
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/* free the headers again */ | ||
- for(i = 0; i<stream->push_headers_used; i++) | ||
- free(stream->push_headers[i]); | ||
- free(stream->push_headers); | ||
- stream->push_headers = NULL; | ||
- stream->push_headers_used = 0; | ||
+ free_push_headers(stream); | ||
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if(rv) { | ||
DEBUGASSERT((rv > CURL_PUSH_OK) && (rv <= CURL_PUSH_ERROROUT)); | ||
@@ -1033,10 +1033,10 @@ static int on_header(nghttp2_session *session, const nghttp2_frame *frame, | ||
stream->push_headers_alloc) { | ||
char **headp; | ||
stream->push_headers_alloc *= 2; | ||
- headp = Curl_saferealloc(stream->push_headers, | ||
- stream->push_headers_alloc * sizeof(char *)); | ||
+ headp = realloc(stream->push_headers, | ||
+ stream->push_headers_alloc * sizeof(char *)); | ||
if(!headp) { | ||
- stream->push_headers = NULL; | ||
+ free_push_headers(stream); | ||
return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE; | ||
} | ||
stream->push_headers = headp; | ||
@@ -1204,11 +1204,7 @@ void Curl_http2_done(struct Curl_easy *data, bool premature) | ||
Curl_dyn_free(&http->trailer_recvbuf); | ||
if(http->push_headers) { | ||
/* if they weren't used and then freed before */ | ||
- for(; http->push_headers_used > 0; --http->push_headers_used) { | ||
- free(http->push_headers[http->push_headers_used - 1]); | ||
- } | ||
- free(http->push_headers); | ||
- http->push_headers = NULL; | ||
+ free_push_headers(http); | ||
} | ||
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if(!(data->conn->handler->protocol&PROTO_FAMILY_HTTP) || | ||
-- | ||
2.34.1 | ||
|
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@@ -0,0 +1,108 @@ | ||
From 875373fb67097281d4a4ff461e531b9bef947818 Mon Sep 17 00:00:00 2001 | ||
From: Vince Perri <[email protected]> | ||
Date: Thu, 21 Nov 2024 14:11:36 +0000 | ||
Subject: [PATCH] Limit CONTINUATION frames following an incoming HEADER frame | ||
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Original patch: https://github.com/nghttp2/nghttp2/commit/00201ecd8f982da3b67d4f6868af72a1b03b14e0 | ||
--- | ||
Utilities/cmnghttp2/lib/includes/nghttp2/nghttp2.h | 7 ++++++- | ||
Utilities/cmnghttp2/lib/nghttp2_helper.c | 2 ++ | ||
Utilities/cmnghttp2/lib/nghttp2_session.c | 8 ++++++++ | ||
Utilities/cmnghttp2/lib/nghttp2_session.h | 10 ++++++++++ | ||
4 files changed, 26 insertions(+), 1 deletion(-) | ||
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diff --git a/Utilities/cmnghttp2/lib/includes/nghttp2/nghttp2.h b/Utilities/cmnghttp2/lib/includes/nghttp2/nghttp2.h | ||
index e4e1d4fc..a140199a 100644 | ||
--- a/Utilities/cmnghttp2/lib/includes/nghttp2/nghttp2.h | ||
+++ b/Utilities/cmnghttp2/lib/includes/nghttp2/nghttp2.h | ||
@@ -428,7 +428,12 @@ typedef enum { | ||
* exhaustion on server side to send these frames forever and does | ||
* not read network. | ||
*/ | ||
- NGHTTP2_ERR_FLOODED = -904 | ||
+ NGHTTP2_ERR_FLOODED = -904, | ||
+ /** | ||
+ * When a local endpoint receives too many CONTINUATION frames | ||
+ * following a HEADER frame. | ||
+ */ | ||
+ NGHTTP2_ERR_TOO_MANY_CONTINUATIONS = -905, | ||
} nghttp2_error; | ||
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/** | ||
diff --git a/Utilities/cmnghttp2/lib/nghttp2_helper.c b/Utilities/cmnghttp2/lib/nghttp2_helper.c | ||
index 91136a61..f150ab54 100644 | ||
--- a/Utilities/cmnghttp2/lib/nghttp2_helper.c | ||
+++ b/Utilities/cmnghttp2/lib/nghttp2_helper.c | ||
@@ -334,6 +334,8 @@ const char *nghttp2_strerror(int error_code) { | ||
case NGHTTP2_ERR_FLOODED: | ||
return "Flooding was detected in this HTTP/2 session, and it must be " | ||
"closed"; | ||
+ case NGHTTP2_ERR_TOO_MANY_CONTINUATIONS: | ||
+ return "Too many CONTINUATION frames following a HEADER frame"; | ||
default: | ||
return "Unknown error code"; | ||
} | ||
diff --git a/Utilities/cmnghttp2/lib/nghttp2_session.c b/Utilities/cmnghttp2/lib/nghttp2_session.c | ||
index a3c0b708..f02e3f95 100644 | ||
--- a/Utilities/cmnghttp2/lib/nghttp2_session.c | ||
+++ b/Utilities/cmnghttp2/lib/nghttp2_session.c | ||
@@ -463,6 +463,7 @@ static int session_new(nghttp2_session **session_ptr, | ||
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(*session_ptr)->max_send_header_block_length = NGHTTP2_MAX_HEADERSLEN; | ||
(*session_ptr)->max_outbound_ack = NGHTTP2_DEFAULT_MAX_OBQ_FLOOD_ITEM; | ||
+ (*session_ptr)->max_continuations = NGHTTP2_DEFAULT_MAX_CONTINUATIONS; | ||
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if (option) { | ||
if ((option->opt_set_mask & NGHTTP2_OPT_NO_AUTO_WINDOW_UPDATE) && | ||
@@ -6297,6 +6298,8 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in, | ||
} | ||
} | ||
session_inbound_frame_reset(session); | ||
+ | ||
+ session->num_continuations = 0; | ||
} | ||
break; | ||
} | ||
@@ -6418,6 +6421,11 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in, | ||
} | ||
#endif /* DEBUGBUILD */ | ||
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+ | ||
+ if (++session->num_continuations > session->max_continuations) { | ||
+ return NGHTTP2_ERR_TOO_MANY_CONTINUATIONS; | ||
+ } | ||
+ | ||
readlen = inbound_frame_buf_read(iframe, in, last); | ||
in += readlen; | ||
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diff --git a/Utilities/cmnghttp2/lib/nghttp2_session.h b/Utilities/cmnghttp2/lib/nghttp2_session.h | ||
index b75294c3..f53acac7 100644 | ||
--- a/Utilities/cmnghttp2/lib/nghttp2_session.h | ||
+++ b/Utilities/cmnghttp2/lib/nghttp2_session.h | ||
@@ -107,6 +107,10 @@ typedef struct { | ||
#define NGHTTP2_DEFAULT_STREAM_RESET_BURST 1000 | ||
#define NGHTTP2_DEFAULT_STREAM_RESET_RATE 33 | ||
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+/* The default max number of CONTINUATION frames following an incoming | ||
+ HEADER frame. */ | ||
+#define NGHTTP2_DEFAULT_MAX_CONTINUATIONS 8 | ||
+ | ||
/* Internal state when receiving incoming frame */ | ||
typedef enum { | ||
/* Receiving frame header */ | ||
@@ -277,6 +281,12 @@ struct nghttp2_session { | ||
/* The maximum length of header block to send. Calculated by the | ||
same way as nghttp2_hd_deflate_bound() does. */ | ||
size_t max_send_header_block_length; | ||
+ /* The maximum number of CONTINUATION frames following an incoming | ||
+ HEADER frame. */ | ||
+ size_t max_continuations; | ||
+ /* The number of CONTINUATION frames following an incoming HEADER | ||
+ frame. This variable is reset when END_HEADERS flag is seen. */ | ||
+ size_t num_continuations; | ||
/* Next Stream ID. Made unsigned int to detect >= (1 << 31). */ | ||
uint32_t next_stream_id; | ||
/* The last stream ID this session initiated. For client session, | ||
-- | ||
2.34.1 | ||
|
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|
@@ -2,7 +2,7 @@ | |
Summary: Cmake | ||
Name: cmake | ||
Version: 3.21.4 | ||
Release: 13%{?dist} | ||
Release: 14%{?dist} | ||
License: BSD AND LGPLv2+ | ||
Vendor: Microsoft Corporation | ||
Distribution: Mariner | ||
|
@@ -29,6 +29,8 @@ Patch14: CVE-2023-27538.patch | |
Patch15: CVE-2023-27535.patch | ||
Patch16: CVE-2023-23916.patch | ||
Patch17: CVE-2023-46218.patch | ||
Patch18: CVE-2024-2398.patch | ||
Patch19: CVE-2024-28182.patch | ||
BuildRequires: bzip2 | ||
BuildRequires: bzip2-devel | ||
BuildRequires: curl | ||
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@@ -94,6 +96,10 @@ bin/ctest --force-new-ctest-process --rerun-failed --output-on-failure | |
%{_prefix}/doc/%{name}-*/* | ||
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%changelog | ||
* Thu Nov 21 2024 Vince Perri <[email protected]> - 3.21.4-14 | ||
- Patch CVE-2024-2398 (bundled curl) | ||
- Patch CVE-2024-28182 (bundled nghttp2) | ||
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* Thu Nov 14 2024 Sharath Srikanth Chellappa <[email protected]> - 3.21.4-13 | ||
- Patch CVE-2022-43552, CVE-2023-27536, CVE-2023-27535, CVE-2023-27538, CVE-2023-23916 and CVE-2023-46218. | ||
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