From: Hitendra Prajapati <[email protected]> Source: https://git.kernel.org/pub/scm/network/connman/connman.git/ MR: 120508 Type: Security Fix Disposition: Backport from https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=72343929836de80727a27d6744c869dff045757c && https://git.kernel.org/pub/scm/network/connman/connman.git/commit/src/wispr.c?id=416bfaff988882c553c672e5bfc2d4f648d29e8a ChangeID: 1583badc6de6bb8a7f63c06749b90b97caab5cdf Description: CVE-2022-32293 connman: man-in-the-middle attack against a WISPR HTTP.
Signed-off-by: Hitendra Prajapati <[email protected]> Signed-off-by: Steve Sakoman <[email protected]> --- .../connman/connman/CVE-2022-32293.patch | 266 ++++++++++++++++++ .../connman/connman_1.37.bb | 1 + 2 files changed, 267 insertions(+) create mode 100644 meta/recipes-connectivity/connman/connman/CVE-2022-32293.patch diff --git a/meta/recipes-connectivity/connman/connman/CVE-2022-32293.patch b/meta/recipes-connectivity/connman/connman/CVE-2022-32293.patch new file mode 100644 index 0000000000..83a013981c --- /dev/null +++ b/meta/recipes-connectivity/connman/connman/CVE-2022-32293.patch @@ -0,0 +1,266 @@ +From 358a44b1442fae0f82846e10da0708b5c4e1ce27 Mon Sep 17 00:00:00 2001 +From: Hitendra Prajapati <[email protected]> +Date: Tue, 20 Sep 2022 17:58:19 +0530 +Subject: [PATCH] CVE-2022-32293 + +CVE: CVE-2022-32293 +Upstream-Status: Backport [https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=72343929836de80727a27d6744c869dff045757c && https://git.kernel.org/pub/scm/network/connman/connman.git/commit/src/wispr.c?id=416bfaff988882c553c672e5bfc2d4f648d29e8a] +Signed-off-by: Hitendra Prajapati <[email protected]> +--- + src/wispr.c | 83 ++++++++++++++++++++++++++++++++++++++++------------- + 1 file changed, 63 insertions(+), 20 deletions(-) + +diff --git a/src/wispr.c b/src/wispr.c +index 473c0e0..97e0242 100644 +--- a/src/wispr.c ++++ b/src/wispr.c +@@ -59,6 +59,7 @@ struct wispr_route { + }; + + struct connman_wispr_portal_context { ++ int refcount; + struct connman_service *service; + enum connman_ipconfig_type type; + struct connman_wispr_portal *wispr_portal; +@@ -96,10 +97,13 @@ static bool wispr_portal_web_result(GWebResult *result, gpointer user_data); + + static GHashTable *wispr_portal_list = NULL; + ++#define wispr_portal_context_ref(wp_context) \ ++ wispr_portal_context_ref_debug(wp_context, __FILE__, __LINE__, __func__) ++#define wispr_portal_context_unref(wp_context) \ ++ wispr_portal_context_unref_debug(wp_context, __FILE__, __LINE__, __func__) ++ + static void connman_wispr_message_init(struct connman_wispr_message *msg) + { +- DBG(""); +- + msg->has_error = false; + msg->current_element = NULL; + +@@ -159,11 +163,6 @@ static void free_wispr_routes(struct connman_wispr_portal_context *wp_context) + static void free_connman_wispr_portal_context( + struct connman_wispr_portal_context *wp_context) + { +- DBG("context %p", wp_context); +- +- if (!wp_context) +- return; +- + if (wp_context->wispr_portal) { + if (wp_context->wispr_portal->ipv4_context == wp_context) + wp_context->wispr_portal->ipv4_context = NULL; +@@ -200,9 +199,38 @@ static void free_connman_wispr_portal_context( + g_free(wp_context); + } + ++static struct connman_wispr_portal_context * ++wispr_portal_context_ref_debug(struct connman_wispr_portal_context *wp_context, ++ const char *file, int line, const char *caller) ++{ ++ DBG("%p ref %d by %s:%d:%s()", wp_context, ++ wp_context->refcount + 1, file, line, caller); ++ ++ __sync_fetch_and_add(&wp_context->refcount, 1); ++ ++ return wp_context; ++} ++ ++static void wispr_portal_context_unref_debug( ++ struct connman_wispr_portal_context *wp_context, ++ const char *file, int line, const char *caller) ++{ ++ if (!wp_context) ++ return; ++ ++ DBG("%p ref %d by %s:%d:%s()", wp_context, ++ wp_context->refcount - 1, file, line, caller); ++ ++ if (__sync_fetch_and_sub(&wp_context->refcount, 1) != 1) ++ return; ++ ++ free_connman_wispr_portal_context(wp_context); ++} ++ + static struct connman_wispr_portal_context *create_wispr_portal_context(void) + { +- return g_try_new0(struct connman_wispr_portal_context, 1); ++ return wispr_portal_context_ref( ++ g_new0(struct connman_wispr_portal_context, 1)); + } + + static void free_connman_wispr_portal(gpointer data) +@@ -214,8 +242,8 @@ static void free_connman_wispr_portal(gpointer data) + if (!wispr_portal) + return; + +- free_connman_wispr_portal_context(wispr_portal->ipv4_context); +- free_connman_wispr_portal_context(wispr_portal->ipv6_context); ++ wispr_portal_context_unref(wispr_portal->ipv4_context); ++ wispr_portal_context_unref(wispr_portal->ipv6_context); + + g_free(wispr_portal); + } +@@ -450,8 +478,6 @@ static void portal_manage_status(GWebResult *result, + &str)) + connman_info("Client-Timezone: %s", str); + +- free_connman_wispr_portal_context(wp_context); +- + __connman_service_ipconfig_indicate_state(service, + CONNMAN_SERVICE_STATE_ONLINE, type); + } +@@ -509,14 +535,17 @@ static void wispr_portal_request_portal( + { + DBG(""); + ++ wispr_portal_context_ref(wp_context); + wp_context->request_id = g_web_request_get(wp_context->web, + wp_context->status_url, + wispr_portal_web_result, + wispr_route_request, + wp_context); + +- if (wp_context->request_id == 0) ++ if (wp_context->request_id == 0) { + wispr_portal_error(wp_context); ++ wispr_portal_context_unref(wp_context); ++ } + } + + static bool wispr_input(const guint8 **data, gsize *length, +@@ -562,13 +591,15 @@ static void wispr_portal_browser_reply_cb(struct connman_service *service, + return; + + if (!authentication_done) { +- wispr_portal_error(wp_context); + free_wispr_routes(wp_context); ++ wispr_portal_error(wp_context); ++ wispr_portal_context_unref(wp_context); + return; + } + + /* Restarting the test */ + __connman_service_wispr_start(service, wp_context->type); ++ wispr_portal_context_unref(wp_context); + } + + static void wispr_portal_request_wispr_login(struct connman_service *service, +@@ -592,7 +623,7 @@ static void wispr_portal_request_wispr_login(struct connman_service *service, + return; + } + +- free_connman_wispr_portal_context(wp_context); ++ wispr_portal_context_unref(wp_context); + return; + } + +@@ -644,11 +675,13 @@ static bool wispr_manage_message(GWebResult *result, + + wp_context->wispr_result = CONNMAN_WISPR_RESULT_LOGIN; + ++ wispr_portal_context_ref(wp_context); + if (__connman_agent_request_login_input(wp_context->service, + wispr_portal_request_wispr_login, +- wp_context) != -EINPROGRESS) ++ wp_context) != -EINPROGRESS) { + wispr_portal_error(wp_context); +- else ++ wispr_portal_context_unref(wp_context); ++ } else + return true; + + break; +@@ -697,6 +730,7 @@ static bool wispr_portal_web_result(GWebResult *result, gpointer user_data) + if (length > 0) { + g_web_parser_feed_data(wp_context->wispr_parser, + chunk, length); ++ wispr_portal_context_unref(wp_context); + return true; + } + +@@ -714,6 +748,7 @@ static bool wispr_portal_web_result(GWebResult *result, gpointer user_data) + + switch (status) { + case 000: ++ wispr_portal_context_ref(wp_context); + __connman_agent_request_browser(wp_context->service, + wispr_portal_browser_reply_cb, + wp_context->status_url, wp_context); +@@ -725,11 +760,14 @@ static bool wispr_portal_web_result(GWebResult *result, gpointer user_data) + if (g_web_result_get_header(result, "X-ConnMan-Status", + &str)) { + portal_manage_status(result, wp_context); ++ wispr_portal_context_unref(wp_context); + return false; +- } else ++ } else { ++ wispr_portal_context_ref(wp_context); + __connman_agent_request_browser(wp_context->service, + wispr_portal_browser_reply_cb, + wp_context->redirect_url, wp_context); ++ } + + break; + case 302: +@@ -737,6 +775,7 @@ static bool wispr_portal_web_result(GWebResult *result, gpointer user_data) + !g_web_result_get_header(result, "Location", + &redirect)) { + ++ wispr_portal_context_ref(wp_context); + __connman_agent_request_browser(wp_context->service, + wispr_portal_browser_reply_cb, + wp_context->status_url, wp_context); +@@ -747,6 +786,7 @@ static bool wispr_portal_web_result(GWebResult *result, gpointer user_data) + + wp_context->redirect_url = g_strdup(redirect); + ++ wispr_portal_context_ref(wp_context); + wp_context->request_id = g_web_request_get(wp_context->web, + redirect, wispr_portal_web_result, + wispr_route_request, wp_context); +@@ -763,6 +803,7 @@ static bool wispr_portal_web_result(GWebResult *result, gpointer user_data) + + break; + case 505: ++ wispr_portal_context_ref(wp_context); + __connman_agent_request_browser(wp_context->service, + wispr_portal_browser_reply_cb, + wp_context->status_url, wp_context); +@@ -775,6 +816,7 @@ static bool wispr_portal_web_result(GWebResult *result, gpointer user_data) + wp_context->request_id = 0; + done: + wp_context->wispr_msg.message_type = -1; ++ wispr_portal_context_unref(wp_context); + return false; + } + +@@ -809,6 +851,7 @@ static void proxy_callback(const char *proxy, void *user_data) + xml_wispr_parser_callback, wp_context); + + wispr_portal_request_portal(wp_context); ++ wispr_portal_context_unref(wp_context); + } + + static gboolean no_proxy_callback(gpointer user_data) +@@ -903,7 +946,7 @@ static int wispr_portal_detect(struct connman_wispr_portal_context *wp_context) + + if (wp_context->token == 0) { + err = -EINVAL; +- free_connman_wispr_portal_context(wp_context); ++ wispr_portal_context_unref(wp_context); + } + } else if (wp_context->timeout == 0) { + wp_context->timeout = g_idle_add(no_proxy_callback, wp_context); +@@ -952,7 +995,7 @@ int __connman_wispr_start(struct connman_service *service, + + /* If there is already an existing context, we wipe it */ + if (wp_context) +- free_connman_wispr_portal_context(wp_context); ++ wispr_portal_context_unref(wp_context); + + wp_context = create_wispr_portal_context(); + if (!wp_context) +-- +2.25.1 + diff --git a/meta/recipes-connectivity/connman/connman_1.37.bb b/meta/recipes-connectivity/connman/connman_1.37.bb index 4f22c7ad49..73d7f7527e 100644 --- a/meta/recipes-connectivity/connman/connman_1.37.bb +++ b/meta/recipes-connectivity/connman/connman_1.37.bb @@ -13,6 +13,7 @@ SRC_URI = "${KERNELORG_MIRROR}/linux/network/${BPN}/${BP}.tar.xz \ file://CVE-2022-23096-7.patch \ file://CVE-2022-23098.patch \ file://CVE-2022-32292.patch \ + file://CVE-2022-32293.patch \ " SRC_URI_append_libc-musl = " file://0002-resolve-musl-does-not-implement-res_ninit.patch" -- 2.25.1
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