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File CVE-2017-11358.patch of Package A_15.5-sox
From 6cb44a44b9eda6b321ccdbf6483348d4a9798b00 Mon Sep 17 00:00:00 2001 From: Mans Rullgard <mans@mansr.com> Date: Sun, 5 Nov 2017 16:43:35 +0000 Subject: [PATCH] hcom: fix crash on input with corrupt dictionary (CVE-2017-11358) --- src/hcom.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/hcom.c b/src/hcom.c index c62b020c..1b0e09dd 100644 --- a/src/hcom.c +++ b/src/hcom.c @@ -150,6 +150,11 @@ static int startread(sox_format_t * ft) lsx_debug("%d %d", p->dictionary[i].dict_leftson, p->dictionary[i].dict_rightson); + if ((unsigned) p->dictionary[i].dict_leftson >= dictsize || + (unsigned) p->dictionary[i].dict_rightson >= dictsize) { + lsx_fail_errno(ft, SOX_EHDR, "Invalid dictionary"); + return SOX_EOF; + } } rc = lsx_skipbytes(ft, (size_t) 1); /* skip pad byte */ if (rc)
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