From: Vijay Anusuri <vanus...@mvista.com> import patch from ubuntu to fix CVE-2024-2398
Upstream-Status: Backport [import from ubuntu https://git.launchpad.net/ubuntu/+source/curl/tree/debian/patches/?h=ubuntu%2Fjammy-security Upstream commit https://github.com/curl/curl/commit/deca8039991886a559b67bcd6701db800a5cf764] Signed-off-by: Vijay Anusuri <vanus...@mvista.com> --- .../curl/curl/CVE-2024-2398.patch | 89 +++++++++++++++++++ meta/recipes-support/curl/curl_7.82.0.bb | 1 + 2 files changed, 90 insertions(+) create mode 100644 meta/recipes-support/curl/curl/CVE-2024-2398.patch diff --git a/meta/recipes-support/curl/curl/CVE-2024-2398.patch b/meta/recipes-support/curl/curl/CVE-2024-2398.patch new file mode 100644 index 0000000000..ea55117f4d --- /dev/null +++ b/meta/recipes-support/curl/curl/CVE-2024-2398.patch @@ -0,0 +1,89 @@ +Backport of: + +From deca8039991886a559b67bcd6701db800a5cf764 Mon Sep 17 00:00:00 2001 +From: Stefan Eissing <ste...@eissing.org> +Date: Wed, 6 Mar 2024 09:36:08 +0100 +Subject: [PATCH] http2: push headers better cleanup + +- provide common cleanup method for push headers + +Closes #13054 + +Upstream-Status: Backport [import from ubuntu https://git.launchpad.net/ubuntu/+source/curl/tree/debian/patches/CVE-2024-2398.patch?h=ubuntu/jammy-security +Upstream commit https://github.com/curl/curl/commit/deca8039991886a559b67bcd6701db800a5cf764] +CVE: CVE-2024-2398 +Signed-off-by: Vijay Anusuri <vanus...@mvista.com> +--- + lib/http2.c | 34 +++++++++++++++------------------- + 1 file changed, 15 insertions(+), 19 deletions(-) + +--- a/lib/http2.c ++++ b/lib/http2.c +@@ -555,6 +555,15 @@ static int set_transfer_url(struct Curl_ + return 0; + } + ++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; ++} ++ + static int push_promise(struct Curl_easy *data, + struct connectdata *conn, + const nghttp2_push_promise *frame) +@@ -568,7 +577,6 @@ static int push_promise(struct Curl_easy + struct curl_pushheaders heads; + CURLMcode rc; + struct http_conn *httpc; +- size_t i; + /* clone the parent */ + struct Curl_easy *newhandle = duphandle(data); + if(!newhandle) { +@@ -604,11 +612,7 @@ static int push_promise(struct Curl_easy + Curl_set_in_callback(data, false); + + /* 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); + + if(rv) { + DEBUGASSERT((rv > CURL_PUSH_OK) && (rv <= CURL_PUSH_ERROROUT)); +@@ -1045,10 +1049,10 @@ static int on_header(nghttp2_session *se + 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; +@@ -1214,15 +1218,7 @@ void Curl_http2_done(struct Curl_easy *d + setup */ + Curl_dyn_free(&http->header_recvbuf); + 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); + if(!(data->conn->handler->protocol&PROTO_FAMILY_HTTP) || + !httpc->h2) /* not HTTP/2 ? */ + return; diff --git a/meta/recipes-support/curl/curl_7.82.0.bb b/meta/recipes-support/curl/curl_7.82.0.bb index 383cf415d9..72d8544e08 100644 --- a/meta/recipes-support/curl/curl_7.82.0.bb +++ b/meta/recipes-support/curl/curl_7.82.0.bb @@ -57,6 +57,7 @@ SRC_URI = "https://curl.se/download/${BP}.tar.xz \ file://CVE-2023-46219-0001.patch \ file://CVE-2023-46219-0002.patch \ file://CVE-2023-46219-0003.patch \ + file://CVE-2024-2398.patch \ " SRC_URI[sha256sum] = "0aaa12d7bd04b0966254f2703ce80dd5c38dbbd76af0297d3d690cdce58a583c" -- 2.25.1
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