diff options
Diffstat (limited to 'meta/recipes-connectivity/wpa-supplicant/wpa-supplicant/0003-EAP-pwd-peer-Fix-reassembly-buffer-handling.patch')
-rw-r--r-- | meta/recipes-connectivity/wpa-supplicant/wpa-supplicant/0003-EAP-pwd-peer-Fix-reassembly-buffer-handling.patch | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/meta/recipes-connectivity/wpa-supplicant/wpa-supplicant/0003-EAP-pwd-peer-Fix-reassembly-buffer-handling.patch b/meta/recipes-connectivity/wpa-supplicant/wpa-supplicant/0003-EAP-pwd-peer-Fix-reassembly-buffer-handling.patch deleted file mode 100644 index 95ea809ef2..0000000000 --- a/meta/recipes-connectivity/wpa-supplicant/wpa-supplicant/0003-EAP-pwd-peer-Fix-reassembly-buffer-handling.patch +++ /dev/null @@ -1,48 +0,0 @@ -From d2d1a324ce937628e4d9d9999fe113819b7d4478 Mon Sep 17 00:00:00 2001 -From: Jouni Malinen <jouni@codeaurora.org> -Date: Wed, 17 Apr 2019 02:21:20 +0300 -Subject: [PATCH 3/3] EAP-pwd peer: Fix reassembly buffer handling - -Unexpected fragment might result in data->inbuf not being allocated -before processing and that could have resulted in NULL pointer -dereference. Fix that by explicitly checking for data->inbuf to be -available before using it. - -Signed-off-by: Jouni Malinen <jouni@codeaurora.org> -Signed-off-by: Adrian Bunk <bunk@stusta.de> -Upstream-Status: Backport -CVE: CVE-2019-11555 ---- - src/eap_peer/eap_pwd.c | 9 ++++++++- - 1 file changed, 8 insertions(+), 1 deletion(-) - -diff --git a/src/eap_peer/eap_pwd.c b/src/eap_peer/eap_pwd.c -index 46894a5..76fcad4 100644 ---- a/src/eap_peer/eap_pwd.c -+++ b/src/eap_peer/eap_pwd.c -@@ -932,6 +932,13 @@ eap_pwd_process(struct eap_sm *sm, void *priv, struct eap_method_ret *ret, - * buffer and ACK the fragment - */ - if (EAP_PWD_GET_MORE_BIT(lm_exch) || data->in_frag_pos) { -+ if (!data->inbuf) { -+ wpa_printf(MSG_DEBUG, -+ "EAP-pwd: No buffer for reassembly"); -+ ret->methodState = METHOD_DONE; -+ ret->decision = DECISION_FAIL; -+ return NULL; -+ } - data->in_frag_pos += len; - if (data->in_frag_pos > wpabuf_size(data->inbuf)) { - wpa_printf(MSG_INFO, "EAP-pwd: Buffer overflow attack " -@@ -958,7 +965,7 @@ eap_pwd_process(struct eap_sm *sm, void *priv, struct eap_method_ret *ret, - /* - * we're buffering and this is the last fragment - */ -- if (data->in_frag_pos) { -+ if (data->in_frag_pos && data->inbuf) { - wpa_printf(MSG_DEBUG, "EAP-pwd: Last fragment, %d bytes", - (int) len); - pos = wpabuf_head_u8(data->inbuf); --- -2.7.4 - |