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From: James Prestwood <prestwoj@gmail.com>
To: iwd@lists.01.org
Subject: [PATCH 3/4] eapol: check return of ie_parse_rsne_from_data
Date: Wed, 16 Oct 2019 16:43:03 -0700	[thread overview]
Message-ID: <20191016234304.14716-3-prestwoj@gmail.com> (raw)
In-Reply-To: <20191016234304.14716-1-prestwoj@gmail.com>

[-- Attachment #1: Type: text/plain, Size: 1074 bytes --]

---
 src/eapol.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/eapol.c b/src/eapol.c
index cbaf0f4f..6f04dbc5 100644
--- a/src/eapol.c
+++ b/src/eapol.c
@@ -1106,7 +1106,8 @@ static void eapol_handle_ptk_1_of_4(struct eapol_sm *sm,
 	pmkid = handshake_util_find_pmkid_kde(EAPOL_KEY_DATA(ek, sm->mic_len),
 					EAPOL_KEY_DATA_LEN(ek, sm->mic_len));
 
-	ie_parse_rsne_from_data(own_ie, own_ie[1] + 2, &rsn_info);
+	if (ie_parse_rsne_from_data(own_ie, own_ie[1] + 2, &rsn_info) < 0)
+		goto error_unspecified;
 
 	/*
 	 * Require the PMKID KDE whenever we've sent a list of PMKIDs in
@@ -1557,7 +1558,8 @@ static void eapol_handle_ptk_3_of_4(struct eapol_sm *sm,
 		const uint8_t *mde = sm->handshake->mde;
 		const uint8_t *fte = sm->handshake->fte;
 
-		ie_parse_rsne_from_data(rsne, rsne[1] + 2, &ie_info);
+		if (ie_parse_rsne_from_data(rsne, rsne[1] + 2, &ie_info) < 0)
+			goto error_ie_different;
 
 		if (ie_info.num_pmkids != 1 || memcmp(ie_info.pmkids,
 						sm->handshake->pmk_r1_name, 16))
-- 
2.17.1

  parent reply	other threads:[~2019-10-16 23:43 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-16 23:43 [PATCH 1/4] util: add bounds check to util_get_{domain,username} James Prestwood
2019-10-16 23:43 ` [PATCH 2/4] eapol: reorder eapol_sm_free James Prestwood
2019-10-17  2:18   ` Denis Kenzior
2019-10-16 23:43 ` James Prestwood [this message]
2019-10-17  2:25   ` [PATCH 3/4] eapol: check return of ie_parse_rsne_from_data Denis Kenzior
2019-10-16 23:43 ` [PATCH 4/4] ie: reorder ie_parse_osen to fix uninitialized value James Prestwood
2019-10-17  2:25   ` Denis Kenzior
2019-10-17  2:15 ` [PATCH 1/4] util: add bounds check to util_get_{domain,username} Denis Kenzior

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