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openSUSE:Step:15-SP4
bluez.25505
CVE-2016-9804-tool-hcidump-Fix-memory-leak-with...
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File CVE-2016-9804-tool-hcidump-Fix-memory-leak-with-malformed-packet.patch of Package bluez.25505
From 00f50518f232c758855ac9884a841f707f41a301 Mon Sep 17 00:00:00 2001 From: "Cho, Yu-Chen" <acho@suse.com> Date: Thu, 3 May 2018 18:52:19 +0800 Subject: [PATCH BlueZ] tool/hcidump: Fix memory leak with malformed packet The Supported Commands is a 64 octet bit field. Do not allow to read more then the size. --- tools/parser/csr.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/parser/csr.c b/tools/parser/csr.c index a0a4eb5fe..2d3db878a 100644 --- a/tools/parser/csr.c +++ b/tools/parser/csr.c @@ -145,6 +145,11 @@ static inline void commands_dump(int level, char *str, struct frame *frm) unsigned char commands[64]; unsigned int i; + if (frm->len > 64) { + perror("Read failed"); + exit(1); + } + memcpy(commands, frm->ptr, frm->len); p_indent(level, frm); -- 2.16.3
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