Looks like this version of the patch got merged to meta-oe today and it fails to apply cleanly, will send update. On Wed, Feb 17, 2021 at 4:20 PM akuster wrote: > > > On 2/17/21 12:57 AM, Rahul Taya wrote: > > Hi, > > > > I have backported this patch from Master branch as in master(v1.43.0) > > and Gatesgarth(v1.41.0) the code of this patch is already present in > > the source code so it is only applicable for Dunfell(v1.40.0) and > > Zeus(v1.39.1) branch. > > > > Yes i will add my signoff in the patch. > > > > *Can you please tell which is the correct ML for sending this patch ?* > openembedded-devel@lists.openembedded.org > > > Also I am seeing this this error. > > Applying patch CVE-2020-11080.patch > patching file doc/CMakeLists.txt > patching file doc/Makefile.am > Hunk #1 FAILED at 69. > 1 out of 1 hunk FAILED -- rejects in file doc/Makefile.am > patching file lib/includes/nghttp2/nghttp2.h > patching file lib/nghttp2_helper.c > patching file lib/nghttp2_option.c > patching file lib/nghttp2_option.h > patching file lib/nghttp2_session.c > Hunk #3 succeeded at 5694 (offset 31 lines). > Hunk #4 succeeded at 7470 (offset 29 lines). > patching file lib/nghttp2_session.h > patching file tests/main.c > Hunk #1 succeeded at 315 (offset -2 lines). > patching file tests/nghttp2_session_test.c > Hunk #1 succeeded at 10558 (offset -56 lines). > patching file tests/nghttp2_session_test.h > Patch CVE-2020-11080.patch does not apply (enforce with -f)* > * > -armin* > * > > > > Thanks and Regards, > > Rahul Taya > > ------------------------------------------------------------------------ > > *From:* akuster808 > > *Sent:* Tuesday, February 16, 2021 9:32 PM > > *To:* Rahul Taya ; > > Openembedded-core@lists.openembedded.org > > ; raj.khem@gmail.com > > > > *Cc:* Nisha Parrakat ; Harpritkaur Bhandari > > > > *Subject:* Re: [OE-core] [meta-openembedded][dunfell][PATCH] nghttp2: > > Add fix for CVE-2020-11080 > > > > > > > > On 2/16/21 12:39 AM, Rahul Taya wrote: > > > Added patch for CVE-2020-11080 taken from below link: > > > > > > https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fnghttp2%2Fnghttp2%2Fcommit%2F336a98feb0d56b9ac54e12736b18785c27f75090&data=04%7C01%7CRahul.Taya%40kpit.com%7C81c7b0a589c54fd9815d08d8d2944b5f%7C3539451eb46e4a26a242ff61502855c7%7C0%7C0%7C637490881707290985%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=LO7%2BKX%2F6ZD4VSi85fOVS%2FydUAFSH1kCUamqOyQcV0Ww%3D&reserved=0 > > > > > > Signed-off-by: Rahul Taya > > Wrong ML. > > > > Is master or Gatesgath affected by this? > > > > Also the patch it self is missing your signoff. > > > > -armin > > > --- > > > .../nghttp2/nghttp2/CVE-2020-11080.patch | 306 ++++++++++++++++++ > > > .../recipes-support/nghttp2/nghttp2_1.40.0.bb | 1 + > > > 2 files changed, 307 insertions(+) > > > create mode 100644 > > meta-networking/recipes-support/nghttp2/nghttp2/CVE-2020-11080.patch > > > > > > diff --git > > a/meta-networking/recipes-support/nghttp2/nghttp2/CVE-2020-11080.patch > > b/meta-networking/recipes-support/nghttp2/nghttp2/CVE-2020-11080.patch > > > new file mode 100644 > > > index 000000000..a376e5372 > > > --- /dev/null > > > +++ > > b/meta-networking/recipes-support/nghttp2/nghttp2/CVE-2020-11080.patch > > > @@ -0,0 +1,306 @@ > > > +From 336a98feb0d56b9ac54e12736b18785c27f75090 Mon Sep 17 00:00:00 2001 > > > +From: James M Snell > > > +Date: Fri, 17 Apr 2020 16:53:51 -0700 > > > +Subject: [PATCH] Implement max settings option > > > + > > > +CVE: CVE-2020-11080 > > > +Upstream-Status: Backport > > [ > https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fnghttp2%2Fnghttp2%2Fcommit%2F336a98feb0d56b9ac54e12736b18785c27f75090&data=04%7C01%7CRahul.Taya%40kpit.com%7C81c7b0a589c54fd9815d08d8d2944b5f%7C3539451eb46e4a26a242ff61502855c7%7C0%7C0%7C637490881707290985%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=LO7%2BKX%2F6ZD4VSi85fOVS%2FydUAFSH1kCUamqOyQcV0Ww%3D&reserved=0 > ] > > > +Comment: No hunks refreshed > > > +--- > > > + doc/CMakeLists.txt | 1 + > > > + doc/Makefile.am | 1 + > > > + lib/includes/nghttp2/nghttp2.h | 23 +++++++++++++ > > > + lib/nghttp2_helper.c | 2 ++ > > > + lib/nghttp2_option.c | 5 +++ > > > + lib/nghttp2_option.h | 5 +++ > > > + lib/nghttp2_session.c | 21 ++++++++++++ > > > + lib/nghttp2_session.h | 2 ++ > > > + tests/main.c | 2 ++ > > > + tests/nghttp2_session_test.c | 61 > ++++++++++++++++++++++++++++++++++ > > > + tests/nghttp2_session_test.h | 1 + > > > + 11 files changed, 124 insertions(+) > > > + > > > +diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt > > > +index 34c027929..f3aec84da 100644 > > > +--- a/doc/CMakeLists.txt > > > ++++ b/doc/CMakeLists.txt > > > +@@ -42,6 +42,7 @@ set(APIDOCS > > > + nghttp2_option_set_no_recv_client_magic.rst > > > + nghttp2_option_set_peer_max_concurrent_streams.rst > > > + nghttp2_option_set_user_recv_extension_type.rst > > > ++ nghttp2_option_set_max_settings.rst > > > + nghttp2_pack_settings_payload.rst > > > + nghttp2_priority_spec_check_default.rst > > > + nghttp2_priority_spec_default_init.rst > > > +diff --git a/doc/Makefile.am b/doc/Makefile.am > > > +index 4d73cef50..f073bfa4c 100644 > > > +--- a/doc/Makefile.am > > > ++++ b/doc/Makefile.am > > > +@@ -69,6 +69,7 @@ APIDOCS= \ > > > + nghttp2_option_set_peer_max_concurrent_streams.rst \ > > > + nghttp2_option_set_user_recv_extension_type.rst \ > > > + nghttp2_option_set_max_outbound_ack.rst \ > > > ++ nghttp2_option_set_max_settings.rst \ > > > + nghttp2_pack_settings_payload.rst \ > > > + nghttp2_priority_spec_check_default.rst \ > > > + nghttp2_priority_spec_default_init.rst \ > > > +diff --git a/lib/includes/nghttp2/nghttp2.h > > b/lib/includes/nghttp2/nghttp2.h > > > +index e3aeb9fed..9be6eea5c 100644 > > > +--- a/lib/includes/nghttp2/nghttp2.h > > > ++++ b/lib/includes/nghttp2/nghttp2.h > > > +@@ -228,6 +228,13 @@ typedef struct { > > > + */ > > > + #define NGHTTP2_CLIENT_MAGIC_LEN 24 > > > + > > > ++/** > > > ++ * @macro > > > ++ * > > > ++ * The default max number of settings per SETTINGS frame > > > ++ */ > > > ++#define NGHTTP2_DEFAULT_MAX_SETTINGS 32 > > > ++ > > > + /** > > > + * @enum > > > + * > > > +@@ -398,6 +405,11 @@ typedef enum { > > > + * receives an other type of frame. > > > + */ > > > + NGHTTP2_ERR_SETTINGS_EXPECTED = -536, > > > ++ /** > > > ++ * When a local endpoint receives too many settings entries > > > ++ * in a single SETTINGS frame. > > > ++ */ > > > ++ NGHTTP2_ERR_TOO_MANY_SETTINGS = -537, > > > + /** > > > + * The errors < :enum:`NGHTTP2_ERR_FATAL` mean that the library is > > > + * under unexpected condition and processing was terminated (e.g., > > > +@@ -2659,6 +2671,17 @@ NGHTTP2_EXTERN void > > nghttp2_option_set_no_closed_streams(nghttp2_option *option, > > > + NGHTTP2_EXTERN void > > nghttp2_option_set_max_outbound_ack(nghttp2_option *option, > > > + size_t val); > > > + > > > ++/** > > > ++ * @function > > > ++ * > > > ++ * This function sets the maximum number of SETTINGS entries per > > > ++ * SETTINGS frame that will be accepted. If more than those entries > > > ++ * are received, the peer is considered to be misbehaving and session > > > ++ * will be closed. The default value is 32. > > > ++ */ > > > ++NGHTTP2_EXTERN void nghttp2_option_set_max_settings(nghttp2_option > > *option, > > > ++ size_t val); > > > ++ > > > + /** > > > + * @function > > > + * > > > +diff --git a/lib/nghttp2_helper.c b/lib/nghttp2_helper.c > > > +index 91136a619..0bd541472 100644 > > > +--- a/lib/nghttp2_helper.c > > > ++++ b/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_SETTINGS: > > > ++ return "SETTINGS frame contained more than the maximum allowed > > entries"; > > > + default: > > > + return "Unknown error code"; > > > + } > > > +diff --git a/lib/nghttp2_option.c b/lib/nghttp2_option.c > > > +index e53f22d36..34348e660 100644 > > > +--- a/lib/nghttp2_option.c > > > ++++ b/lib/nghttp2_option.c > > > +@@ -121,3 +121,8 @@ void > > nghttp2_option_set_max_outbound_ack(nghttp2_option *option, size_t val) { > > > + option->opt_set_mask |= NGHTTP2_OPT_MAX_OUTBOUND_ACK; > > > + option->max_outbound_ack = val; > > > + } > > > ++ > > > ++void nghttp2_option_set_max_settings(nghttp2_option *option, > > size_t val) { > > > ++ option->opt_set_mask |= NGHTTP2_OPT_MAX_SETTINGS; > > > ++ option->max_settings = val; > > > ++} > > > +diff --git a/lib/nghttp2_option.h b/lib/nghttp2_option.h > > > +index 1f740aaa6..939729fdc 100644 > > > +--- a/lib/nghttp2_option.h > > > ++++ b/lib/nghttp2_option.h > > > +@@ -67,6 +67,7 @@ typedef enum { > > > + NGHTTP2_OPT_MAX_DEFLATE_DYNAMIC_TABLE_SIZE = 1 << 9, > > > + NGHTTP2_OPT_NO_CLOSED_STREAMS = 1 << 10, > > > + NGHTTP2_OPT_MAX_OUTBOUND_ACK = 1 << 11, > > > ++ NGHTTP2_OPT_MAX_SETTINGS = 1 << 12, > > > + } nghttp2_option_flag; > > > + > > > + /** > > > +@@ -85,6 +86,10 @@ struct nghttp2_option { > > > + * NGHTTP2_OPT_MAX_OUTBOUND_ACK > > > + */ > > > + size_t max_outbound_ack; > > > ++ /** > > > ++ * NGHTTP2_OPT_MAX_SETTINGS > > > ++ */ > > > ++ size_t max_settings; > > > + /** > > > + * Bitwise OR of nghttp2_option_flag to determine that which fields > > > + * are specified. > > > +diff --git a/lib/nghttp2_session.c b/lib/nghttp2_session.c > > > +index 563ccd7de..415e34776 100644 > > > +--- a/lib/nghttp2_session.c > > > ++++ b/lib/nghttp2_session.c > > > +@@ -458,6 +458,7 @@ static int session_new(nghttp2_session > > **session_ptr, > > > + > > > + (*session_ptr)->max_send_header_block_length = > > NGHTTP2_MAX_HEADERSLEN; > > > + (*session_ptr)->max_outbound_ack = > > NGHTTP2_DEFAULT_MAX_OBQ_FLOOD_ITEM; > > > ++ (*session_ptr)->max_settings = NGHTTP2_DEFAULT_MAX_SETTINGS; > > > + > > > + if (option) { > > > + if ((option->opt_set_mask & NGHTTP2_OPT_NO_AUTO_WINDOW_UPDATE) && > > > +@@ -521,6 +522,11 @@ static int session_new(nghttp2_session > > **session_ptr, > > > + if (option->opt_set_mask & NGHTTP2_OPT_MAX_OUTBOUND_ACK) { > > > + (*session_ptr)->max_outbound_ack = option->max_outbound_ack; > > > + } > > > ++ > > > ++ if ((option->opt_set_mask & NGHTTP2_OPT_MAX_SETTINGS) && > > > ++ option->max_settings) { > > > ++ (*session_ptr)->max_settings = option->max_settings; > > > ++ } > > > + } > > > + > > > + rv = nghttp2_hd_deflate_init2(&(*session_ptr)->hd_deflater, > > > +@@ -5657,6 +5663,16 @@ ssize_t > > nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in, > > > + iframe->max_niv = > > > + iframe->frame.hd.length / > > NGHTTP2_FRAME_SETTINGS_ENTRY_LENGTH + 1; > > > + > > > ++ if (iframe->max_niv - 1 > session->max_settings) { > > > ++ rv = nghttp2_session_terminate_session_with_reason( > > > ++ session, NGHTTP2_ENHANCE_YOUR_CALM, > > > ++ "SETTINGS: too many setting entries"); > > > ++ if (nghttp2_is_fatal(rv)) { > > > ++ return rv; > > > ++ } > > > ++ return (ssize_t)inlen; > > > ++ } > > > ++ > > > + iframe->iv = nghttp2_mem_malloc(mem, > > sizeof(nghttp2_settings_entry) * > > > + iframe->max_niv); > > > + > > > +@@ -7425,6 +7441,11 @@ static int > > nghttp2_session_upgrade_internal(nghttp2_session *session, > > > + if (settings_payloadlen % NGHTTP2_FRAME_SETTINGS_ENTRY_LENGTH) { > > > + return NGHTTP2_ERR_INVALID_ARGUMENT; > > > + } > > > ++ /* SETTINGS frame contains too many settings */ > > > ++ if (settings_payloadlen / NGHTTP2_FRAME_SETTINGS_ENTRY_LENGTH > > > ++ > session->max_settings) { > > > ++ return NGHTTP2_ERR_TOO_MANY_SETTINGS; > > > ++ } > > > + rv = nghttp2_frame_unpack_settings_payload2(&iv, &niv, > > settings_payload, > > > + settings_payloadlen, > > mem); > > > + if (rv != 0) { > > > +diff --git a/lib/nghttp2_session.h b/lib/nghttp2_session.h > > > +index d20827315..07bfbb6c9 100644 > > > +--- a/lib/nghttp2_session.h > > > ++++ b/lib/nghttp2_session.h > > > +@@ -267,6 +267,8 @@ 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 settings accepted per SETTINGS frame. */ > > > ++ size_t max_settings; > > > + /* 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, > > > +diff --git a/tests/main.c b/tests/main.c > > > +index 41e0b03eb..67eb4a1c2 100644 > > > +--- a/tests/main.c > > > ++++ b/tests/main.c > > > +@@ -317,6 +317,8 @@ int main() { > > > + test_nghttp2_session_set_local_window_size) || > > > + !CU_add_test(pSuite, "session_cancel_from_before_frame_send", > > > + > > test_nghttp2_session_cancel_from_before_frame_send) || > > > ++ !CU_add_test(pSuite, "session_too_many_settings", > > > ++ test_nghttp2_session_too_many_settings) || > > > + !CU_add_test(pSuite, "session_removed_closed_stream", > > > + test_nghttp2_session_removed_closed_stream) || > > > + !CU_add_test(pSuite, "session_pause_data", > > > +diff --git a/tests/nghttp2_session_test.c > > b/tests/nghttp2_session_test.c > > > +index 6eb8e244d..33ee3ad84 100644 > > > +--- a/tests/nghttp2_session_test.c > > > ++++ b/tests/nghttp2_session_test.c > > > +@@ -10614,6 +10614,67 @@ void > > test_nghttp2_session_cancel_from_before_frame_send(void) { > > > + nghttp2_session_del(session); > > > + } > > > + > > > ++void test_nghttp2_session_too_many_settings(void) { > > > ++ nghttp2_session *session; > > > ++ nghttp2_option *option; > > > ++ nghttp2_session_callbacks callbacks; > > > ++ nghttp2_frame frame; > > > ++ nghttp2_bufs bufs; > > > ++ nghttp2_buf *buf; > > > ++ ssize_t rv; > > > ++ my_user_data ud; > > > ++ nghttp2_settings_entry iv[3]; > > > ++ nghttp2_mem *mem; > > > ++ nghttp2_outbound_item *item; > > > ++ > > > ++ mem = nghttp2_mem_default(); > > > ++ frame_pack_bufs_init(&bufs); > > > ++ > > > ++ memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); > > > ++ callbacks.on_frame_recv_callback = on_frame_recv_callback; > > > ++ callbacks.send_callback = null_send_callback; > > > ++ > > > ++ nghttp2_option_new(&option); > > > ++ nghttp2_option_set_max_settings(option, 1); > > > ++ > > > ++ nghttp2_session_client_new2(&session, &callbacks, &ud, option); > > > ++ > > > ++ CU_ASSERT(1 == session->max_settings); > > > ++ > > > ++ nghttp2_option_del(option); > > > ++ > > > ++ iv[0].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE; > > > ++ iv[0].value = 3000; > > > ++ > > > ++ iv[1].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; > > > ++ iv[1].value = 16384; > > > ++ > > > ++ nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, > > dup_iv(iv, 2), > > > ++ 2); > > > ++ > > > ++ rv = nghttp2_frame_pack_settings(&bufs, &frame.settings); > > > ++ > > > ++ CU_ASSERT(0 == rv); > > > ++ CU_ASSERT(nghttp2_bufs_len(&bufs) > 0); > > > ++ > > > ++ nghttp2_frame_settings_free(&frame.settings, mem); > > > ++ > > > ++ buf = &bufs.head->buf; > > > ++ assert(nghttp2_bufs_len(&bufs) == nghttp2_buf_len(buf)); > > > ++ > > > ++ ud.frame_recv_cb_called = 0; > > > ++ > > > ++ rv = nghttp2_session_mem_recv(session, buf->pos, > > nghttp2_buf_len(buf)); > > > ++ CU_ASSERT((ssize_t)nghttp2_buf_len(buf) == rv); > > > ++ > > > ++ item = nghttp2_session_get_next_ob_item(session); > > > ++ CU_ASSERT(NGHTTP2_GOAWAY == item->frame.hd.type); > > > ++ > > > ++ nghttp2_bufs_reset(&bufs); > > > ++ nghttp2_bufs_free(&bufs); > > > ++ nghttp2_session_del(session); > > > ++} > > > ++ > > > + static void > > > + prepare_session_removed_closed_stream(nghttp2_session *session, > > > + nghttp2_hd_deflater *deflater) > { > > > +diff --git a/tests/nghttp2_session_test.h > > b/tests/nghttp2_session_test.h > > > +index e872c5d0b..818c808d0 100644 > > > +--- a/tests/nghttp2_session_test.h > > > ++++ b/tests/nghttp2_session_test.h > > > +@@ -156,6 +156,7 @@ void > > test_nghttp2_session_repeated_priority_change(void); > > > + void test_nghttp2_session_repeated_priority_submission(void); > > > + void test_nghttp2_session_set_local_window_size(void); > > > + void test_nghttp2_session_cancel_from_before_frame_send(void); > > > ++void test_nghttp2_session_too_many_settings(void); > > > + void test_nghttp2_session_removed_closed_stream(void); > > > + void test_nghttp2_session_pause_data(void); > > > + void test_nghttp2_session_no_closed_streams(void); > > > diff --git > > a/meta-networking/recipes-support/nghttp2/nghttp2_1.40.0.bb > > b/meta-networking/recipes-support/nghttp2/nghttp2_1.40.0.bb > > > index 9ed8c5642..b212ede4d 100644 > > > --- a/meta-networking/recipes-support/nghttp2/nghttp2_1.40.0.bb > > > +++ b/meta-networking/recipes-support/nghttp2/nghttp2_1.40.0.bb > > > @@ -10,6 +10,7 @@ UPSTREAM_CHECK_URI = > > " > https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fnghttp2%2Fnghttp2%2Freleases&data=04%7C01%7CRahul.Taya%40kpit.com%7C81c7b0a589c54fd9815d08d8d2944b5f%7C3539451eb46e4a26a242ff61502855c7%7C0%7C0%7C637490881707290985%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=misO%2FSEpB92THW3xVx9%2BWkvFsdI3Z%2FL%2Fy%2FdMcEG88AY%3D&reserved=0 > " > > > SRC_URI = "\ > > > > > > https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fnghttp2%2Fnghttp2%2Freleases%2Fdownload%2Fv%24&data=04%7C01%7CRahul.Taya%40kpit.com%7C81c7b0a589c54fd9815d08d8d2944b5f%7C3539451eb46e4a26a242ff61502855c7%7C0%7C0%7C637490881707290985%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=tq%2BGz4zgfP84bLfqf2UAI384FMhi%2BU4KvPghoPjGR9Y%3D&reserved=0{PV}/nghttp2-${PV}.tar.xz > > > \ > > > file://0001-fetch-ocsp-response-use-python3.patch \ > > > + file://CVE-2020-11080.patch \ > > > " > > > SRC_URI[md5sum] = "8d1a6b96760254e4dd142d7176e8fb7c" > > > SRC_URI[sha256sum] = > > "09fc43d428ff237138733c737b29fb1a7e49d49de06d2edbed3bc4cdcee69073" > > > -- > > > 2.17.1 > > > > > > This message contains information that may be privileged or > > confidential and is the property of the KPIT Technologies Ltd. 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