diff --git a/meta/recipes-support/curl/curl/CVE-2026-8927.patch b/meta/recipes-support/curl/curl/CVE-2026-8927.patch new file mode 100644 index 0000000000..653d908eb5 --- /dev/null +++ b/meta/recipes-support/curl/curl/CVE-2026-8927.patch @@ -0,0 +1,349 @@ +From c3e9c57b5cd128f33250caf86184e23dc1e8c4e5 Mon Sep 17 00:00:00 2001 +From: Daniel Stenberg +Date: Thu, 30 Jul 2026 04:29:18 -0700 +Subject: [PATCH] url: detect proxy changes read from environment + +When a proxy is set from an environment variable, detect if that proxy +is not the same as previously and flush state. + +Verified by test1647: verify changing proxy with env variables and make +sure Digest state is flushed in the second use + +Closes #21666 + +CVE: CVE-2026-8927 +Upstream-Status: Backport [https://github.com/curl/curl/commit/5c225384b8d52c67ce8259c6e4203bc57aacb567] + +Backport Changes: +- Kept Wrynose test registry ordering and added only the new upstream + test1647/lib1647 regression test entries. +- Added the explicit vauth/vauth.h include because Wrynose's url.c did + not already include the Digest cleanup prototype used by this fix. +- Placed the env proxy comparison before parse_proxy() because Wrynose + frees the temporary proxy string immediately after parse_proxy() copies + it. + +(cherry picked from commit 5c225384b8d52c67ce8259c6e4203bc57aacb567) +Signed-off-by: Deepak Rathore +--- + lib/url.c | 12 ++++ + lib/urldata.h | 1 + + tests/data/Makefile.am | 2 +- + tests/data/test1647 | 103 +++++++++++++++++++++++++++++++ + tests/libtest/Makefile.inc | 1 + + tests/libtest/lib1647.c | 120 +++++++++++++++++++++++++++++++++++++ + 6 files changed, 238 insertions(+), 1 deletion(-) + create mode 100644 tests/data/test1647 + create mode 100644 tests/libtest/lib1647.c + +diff --git a/lib/url.c b/lib/url.c +index 6c1375f8e3..1cd3955e64 100644 +--- a/lib/url.c ++++ b/lib/url.c +@@ -99,6 +99,7 @@ + #include "headers.h" + #include "curlx/strerr.h" + #include "curlx/strparse.h" ++#include "vauth/vauth.h" + + /* And now for the protocols */ + #include "ftp.h" +@@ -326,6 +327,9 @@ CURLcode Curl_close(struct Curl_easy **datap) + Curl_freeset(data); + Curl_headers_cleanup(data); + Curl_netrc_cleanup(&data->state.netrc); ++#ifndef CURL_DISABLE_DIGEST_AUTH ++ curlx_free(data->state.envproxy); ++#endif + curlx_free(data); + return CURLE_OK; + } +@@ -2354,6 +2358,14 @@ static CURLcode create_conn_helper_init_proxy(struct Curl_easy *data, + if(proxy || socksproxy) { + long ptype = conn->http_proxy.proxytype; + if(proxy) { ++#ifndef CURL_DISABLE_DIGEST_AUTH ++ if(!Curl_safecmp(data->state.envproxy, proxy)) { ++ /* proxy changed */ ++ Curl_auth_digest_cleanup(&data->state.proxydigest); ++ curlx_free(data->state.envproxy); ++ data->state.envproxy = curlx_strdup(proxy); ++ } ++#endif + result = parse_proxy(data, conn, proxy, ptype); + Curl_safefree(proxy); /* parse_proxy copies the proxy string */ + if(result) +diff --git a/lib/urldata.h b/lib/urldata.h +index d71337c8f6..65005c4b34 100644 +--- a/lib/urldata.h ++++ b/lib/urldata.h +@@ -959,6 +959,7 @@ struct UrlState { + void (*prev_signal)(int sig); + #endif + #ifndef CURL_DISABLE_DIGEST_AUTH ++ char *envproxy; /* last proxy string used for proxy-related state */ + struct digestdata digest; /* state data for host Digest auth */ + struct digestdata proxydigest; /* state data for proxy Digest auth */ + #endif +diff --git a/tests/data/Makefile.am b/tests/data/Makefile.am +index 1e84b26820..bcee03b938 100644 +--- a/tests/data/Makefile.am ++++ b/tests/data/Makefile.am +@@ -218,7 +218,7 @@ test1620 test1621 test1622 test1623 test1624 \ + \ + test1630 test1631 test1632 test1633 test1634 test1635 test1636 test1637 \ + \ +-test1640 test1641 test1642 test1643 \ ++test1640 test1641 test1642 test1643 test1647 \ + \ + test1650 test1651 test1652 test1653 test1654 test1655 test1656 test1657 \ + test1658 \ +diff --git a/tests/data/test1647 b/tests/data/test1647 +new file mode 100644 +index 0000000000..a87487fa9f +--- /dev/null ++++ b/tests/data/test1647 +@@ -0,0 +1,103 @@ ++ ++ ++ ++ ++HTTP ++HTTP GET ++HTTP proxy ++HTTP proxy Digest auth ++multi ++ ++ ++ ++# Server-side ++ ++ ++# this is returned first since we get no proxy-auth ++ ++HTTP/1.1 407 Authorization Required to proxy me my dear ++Proxy-Authenticate: Digest realm="weirdorealm", nonce="12345" ++Content-Length: 33 ++ ++And you should ignore this data. ++ ++ ++# then this is returned when we get proxy-auth ++ ++HTTP/1.1 200 OK ++Content-Length: 21 ++Server: no ++ ++Nice proxy auth sir! ++ ++ ++ ++HTTP/1.1 401 OK ++Content-Length: 21 ++Server: no ++ ++Denied access. Leave ++ ++ ++ ++ ++# Client-side ++ ++ ++http ++https-proxy ++https ++ ++# tool is what to use instead of 'curl' ++ ++lib%TESTNUMBER ++ ++ ++!SSPI ++crypto ++proxy ++digest ++Debug ++ ++ ++http_proxy=%HOSTIP:%HTTPPORT ++https_proxy=https://%HOSTIP:%HTTPSPROXYPORT ++CURL_ENTROPY=99376 ++ ++ ++HTTP proxy auth Digest, then change proxy with env var and do it again ++ ++ ++http://test.remote.example.com/path/%TESTNUMBER https://another.example.com:%HTTPSPORT/ daniel:monkey123 another:bump456 ++ ++ ++ ++# Verify data after the test has been "shot" ++ ++ ++GET http://test.remote.example.com/path/%TESTNUMBER HTTP/1.1 ++Host: test.remote.example.com ++Accept: */* ++Proxy-Connection: Keep-Alive ++ ++GET http://test.remote.example.com/path/%TESTNUMBER HTTP/1.1 ++Host: test.remote.example.com ++Proxy-Authorization: Digest username="daniel", realm="weirdorealm", nonce="12345", uri="/path/%TESTNUMBER", response="7a1672891aff03248887b1a6674b8096" ++Accept: */* ++Proxy-Connection: Keep-Alive ++ ++ ++ ++ ++CONNECT another.example.com:%HTTPSPORT HTTP/1.1 ++Host: another.example.com:%HTTPSPORT ++Proxy-Connection: Keep-Alive ++ ++ ++ ++# CONNECT fails ++ ++7 ++ ++ ++ +diff --git a/tests/libtest/Makefile.inc b/tests/libtest/Makefile.inc +index 96b82bc059..e938b87bc5 100644 +--- a/tests/libtest/Makefile.inc ++++ b/tests/libtest/Makefile.inc +@@ -100,6 +100,7 @@ TESTS_C = \ + lib1582.c lib1588.c \ + lib1591.c lib1592.c lib1593.c lib1594.c lib1597.c \ + lib1598.c lib1599.c \ ++ lib1647.c \ + lib1662.c \ + lib1900.c lib1901.c lib1902.c lib1903.c lib1905.c lib1906.c lib1907.c \ + lib1908.c lib1910.c lib1911.c lib1912.c lib1913.c \ +diff --git a/tests/libtest/lib1647.c b/tests/libtest/lib1647.c +new file mode 100644 +index 0000000000..8060e1bfe9 +--- /dev/null ++++ b/tests/libtest/lib1647.c +@@ -0,0 +1,120 @@ ++/*************************************************************************** ++ * _ _ ____ _ ++ * Project ___| | | | _ \| | ++ * / __| | | | |_) | | ++ * | (__| |_| | _ <| |___ ++ * \___|\___/|_| \_\_____| ++ * ++ * Copyright (C) Daniel Stenberg, , et al. ++ * ++ * This software is licensed as described in the file COPYING, which ++ * you should have received as part of this distribution. The terms ++ * are also available at https://curl.se/docs/copyright.html. ++ * ++ * You may opt to use, copy, modify, merge, publish, distribute and/or sell ++ * copies of the Software, and permit persons to whom the Software is ++ * furnished to do so, under the terms of the COPYING file. ++ * ++ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY ++ * KIND, either express or implied. ++ * ++ * SPDX-License-Identifier: curl ++ * ++ ***************************************************************************/ ++/* ++ * argv1 = the first URL ++ * argv2 = URL2 ++ * argv3 = credentials 1 ++ * argv4 = credentials 2 ++ */ ++ ++#include "first.h" ++ ++/* this is meant to pick up the proxy from the environment variable */ ++static CURLcode init1647(CURL *curl, const char *url, const char *userpwd) ++{ ++ CURLcode result = CURLE_OK; ++ ++ res_easy_setopt(curl, CURLOPT_URL, url); ++ if(result) ++ goto init_failed; ++ ++ res_easy_setopt(curl, CURLOPT_PROXYUSERPWD, userpwd); ++ if(result) ++ goto init_failed; ++ ++ res_easy_setopt(curl, CURLOPT_PROXYAUTH, CURLAUTH_DIGEST); ++ if(result) ++ goto init_failed; ++ ++ res_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L); ++ if(result) ++ goto init_failed; ++ ++ res_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L); ++ if(result) ++ goto init_failed; ++ ++ res_easy_setopt(curl, CURLOPT_PROXY_SSL_VERIFYPEER, 0L); ++ if(result) ++ goto init_failed; ++ ++ res_easy_setopt(curl, CURLOPT_PROXY_SSL_VERIFYHOST, 0L); ++ if(result) ++ goto init_failed; ++ ++ res_easy_setopt(curl, CURLOPT_VERBOSE, 1L); ++ if(result) ++ goto init_failed; ++ ++ return CURLE_OK; /* success */ ++ ++init_failed: ++ return result; /* failure */ ++} ++ ++static CURLcode run1647(CURL *curl, const char *url, const char *userpwd) ++{ ++ CURLcode result = CURLE_OK; ++ ++ result = init1647(curl, url, userpwd); ++ if(result) ++ return result; ++ ++ return curl_easy_perform(curl); ++} ++ ++static CURLcode test_lib1647(const char *URL) ++{ ++ CURLcode result = CURLE_OK; ++ CURL *curl = NULL; ++ ++ res_global_init(CURL_GLOBAL_ALL); ++ if(result) ++ return result; ++ ++ curl = curl_easy_init(); ++ if(!curl) { ++ curl_mfprintf(stderr, "curl_easy_init() failed\n"); ++ curl_global_cleanup(); ++ return TEST_ERR_MAJOR_BAD; ++ } ++ ++ start_test_timing(); ++ ++ curl_mprintf("--- First get '%s'\n", URL); ++ result = run1647(curl, URL, libtest_arg3); ++ if(result) ++ goto test_cleanup; ++ ++ curl_mprintf("--- Then get '%s'\n", libtest_arg2); ++ result = run1647(curl, libtest_arg2, libtest_arg4); ++ ++test_cleanup: ++ ++ /* proper cleanup sequence - type PB */ ++ ++ curl_easy_cleanup(curl); ++ curl_global_cleanup(); ++ return result; ++} +-- +2.35.6 diff --git a/meta/recipes-support/curl/curl_8.19.0.bb b/meta/recipes-support/curl/curl_8.19.0.bb index 5bec405eb7..193366f657 100644 --- a/meta/recipes-support/curl/curl_8.19.0.bb +++ b/meta/recipes-support/curl/curl_8.19.0.bb @@ -24,6 +24,7 @@ SRC_URI = " \ file://CVE-2026-7168.patch \ file://CVE-2026-4873.patch \ file://CVE-2026-8286.patch \ + file://CVE-2026-8927.patch \ " SRC_URI:append:class-nativesdk = " \