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bluez.14391
hcidump-fixed-hci-frame-dump-stack-buffer-overf...
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File hcidump-fixed-hci-frame-dump-stack-buffer-overflow.patch of Package bluez.14391
From 01146fff6e66742b5e256cf7cbae3e0d7f30c530 Mon Sep 17 00:00:00 2001 From: "Cho, Yu-Chen" <acho@suse.com> Date: Wed, 31 Oct 2018 16:15:07 +0800 Subject: [PATCH] hcidump:fixed hci frame dump stack-buffer-overflow hci_dump() didn't check the length of frame, and it would be a stack-buffer-overflow error. --- tools/parser/hci.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/parser/hci.c b/tools/parser/hci.c index 8c7bd2581..4e6c36040 100644 --- a/tools/parser/hci.c +++ b/tools/parser/hci.c @@ -4107,6 +4107,9 @@ void hci_dump(int level, struct frame *frm) frm->ptr++; frm->len--; + if (frm->len == 0) + return; + switch (type) { case HCI_COMMAND_PKT: command_dump(level, frm); -- 2.19.1
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