From 6e177c455fb554327ff8125b6e6dde1568610abe Mon Sep 17 00:00:00 2001 From: Mans Rullgard <mans@mansr.com> Date: Sun, 5 Nov 2017 16:29:28 +0000 Subject: [PATCH] wav: fix crash if channel count is zero (CVE-2017-11332) --- src/wav.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/wav.c b/src/wav.c index 5202556c..71fd52ac 100644 --- a/src/wav.c +++ b/src/wav.c @@ -712,6 +712,11 @@ static int startread(sox_format_t * ft) else lsx_report("User options overriding channels read in .wav header"); + if (ft->signal.channels == 0) { + lsx_fail_errno(ft, SOX_EHDR, "Channel count is zero"); + return SOX_EOF; + } + if (ft->signal.rate == 0 || ft->signal.rate == dwSamplesPerSecond) ft->signal.rate = dwSamplesPerSecond; else -- 2.25.0