From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Wed, 17 Oct 2012 18:18:17 +0000 (+0000)
Subject: hostapd: merge a security fix for a TLS message buffer overflow (CVE-2012-4445)
X-Git-Url: http://git.archive.openwrt.org/?a=commitdiff_plain;h=b6aef12fcd2246e78fd4e327f49e33f975d6e13d;p=12.09%2Fopenwrt.git

hostapd: merge a security fix for a TLS message buffer overflow (CVE-2012-4445)

Backport of r33815

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@33816 3c298f89-4303-0410-b956-a3cf2f4a3e73
---

diff --git a/package/hostapd/patches/001-CVE-2012-4445.patch b/package/hostapd/patches/001-CVE-2012-4445.patch
new file mode 100644
index 0000000..1b8bdd0
--- /dev/null
+++ b/package/hostapd/patches/001-CVE-2012-4445.patch
@@ -0,0 +1,17 @@
+--- a/src/eap_server/eap_server_tls_common.c
++++ b/src/eap_server/eap_server_tls_common.c
+@@ -228,6 +228,14 @@ static int eap_server_tls_process_fragme
+ 			return -1;
+ 		}
+ 
++		if (len > message_length) {
++			wpa_printf(MSG_INFO, "SSL: Too much data (%d bytes) in "
++				   "first fragment of frame (TLS Message "
++				   "Length %d bytes)",
++				   (int) len, (int) message_length);
++			return -1;
++		}
++
+ 		data->tls_in = wpabuf_alloc(message_length);
+ 		if (data->tls_in == NULL) {
+ 			wpa_printf(MSG_DEBUG, "SSL: No memory for message");