add patch for bug #547492 while not loading arch teams working on bug #524928

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1 files changed, 37 insertions, 0 deletions

diff --git a/net-wireless/wpa_supplicant/files/wpa_supplicant-2.4-cve-2015-1863.patch b/net-wireless/wpa_supplicant/files/wpa_supplicant-2.4-cve-2015-1863.patch
new file mode 100644
index 000000000000..e417bf22b3db
--- /dev/null
+++ b/net-wireless/wpa_supplicant/files/wpa_supplicant-2.4-cve-2015-1863.patch
@@ -0,0 +1,37 @@
+From 9ed4eee345f85e3025c33c6e20aa25696e341ccd Mon Sep 17 00:00:00 2001
+From: Jouni Malinen <jouni@qca.qualcomm.com>
+Date: Tue, 07 Apr 2015 08:32:11 +0000
+Subject: P2P: Validate SSID element length before copying it (CVE-2015-1863)
+
+This fixes a possible memcpy overflow for P2P dev->oper_ssid in
+p2p_add_device(). The length provided by the peer device (0..255 bytes)
+was used without proper bounds checking and that could have resulted in
+arbitrary data of up to 223 bytes being written beyond the end of the
+dev->oper_ssid[] array (of which about 150 bytes would be beyond the
+heap allocation) when processing a corrupted management frame for P2P
+peer discovery purposes.
+
+This could result in corrupted state in heap, unexpected program
+behavior due to corrupted P2P peer device information, denial of service
+due to process crash, exposure of memory contents during GO Negotiation,
+and potentially arbitrary code execution.
+
+Thanks to Google security team for reporting this issue and smart
+hardware research group of Alibaba security team for discovering it.
+
+Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
+---
+diff --git a/src/p2p/p2p.c b/src/p2p/p2p.c
+index f584fae..a45fe73 100644
+--- a/src/p2p/p2p.c
++++ b/src/p2p/p2p.c
+@@ -778,6 +778,7 @@ int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
+ 	if (os_memcmp(addr, p2p_dev_addr, ETH_ALEN) != 0)
+ 		os_memcpy(dev->interface_addr, addr, ETH_ALEN);
+ 	if (msg.ssid &&
++	    msg.ssid[1] <= sizeof(dev->oper_ssid) &&
+ 	    (msg.ssid[1] != P2P_WILDCARD_SSID_LEN ||
+ 	     os_memcmp(msg.ssid + 2, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN)
+ 	     != 0)) {
+--
+cgit v0.9.2