libsndfile1: Fix CVE-2017-8363
Backport the patch to fix CVE-2017-8363: The flac_buffer_copy function in flac.c in libsndfile 1.0.28 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted audio file. Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-8363 (From OE-Core rev: 9cc9956c5ed09f9016cb23bd763652e5ab55f3cd) (From OE-Core rev: 201fa8f6a10469886db6d48c3a3e91712382e561) Signed-off-by: Jackie Huang <jackie.huang@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Armin Kuster <akuster808@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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From cd7da8dbf6ee4310d21d9e44b385d6797160d9e8 Mon Sep 17 00:00:00 2001
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From: Erik de Castro Lopo <erikd@mega-nerd.com>
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Date: Wed, 12 Apr 2017 20:19:34 +1000
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Subject: [PATCH] src/flac.c: Fix another memory leak
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When the FLAC decoder was passed a malformed file, the associated
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`FLAC__StreamDecoder` object was not getting released.
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Closes: https://github.com/erikd/libsndfile/issues/233
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CVE: CVE-2017-8363
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Upstream-Status: Backport [https://github.com/erikd/libsndfile/commit/cd7da8dbf6ee4310d21d9e44b385d6797160d9e8]
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Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
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---
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src/flac.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/src/flac.c b/src/flac.c
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index 986a7b8..5a4f8c2 100644
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--- a/src/flac.c
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+++ b/src/flac.c
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@@ -841,7 +841,9 @@ flac_read_header (SF_PRIVATE *psf)
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psf_log_printf (psf, "End\n") ;
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- if (psf->error == 0)
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+ if (psf->error != 0)
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+ FLAC__stream_decoder_delete (pflac->fsd) ;
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+ else
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{ FLAC__uint64 position ;
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FLAC__stream_decoder_get_decode_position (pflac->fsd, &position) ;
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--
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2.7.4
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@ -9,6 +9,7 @@ SRC_URI = "http://www.mega-nerd.com/libsndfile/files/libsndfile-${PV}.tar.gz \
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file://CVE-2017-6892.patch \
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file://CVE-2017-8361-8365.patch \
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file://CVE-2017-8362.patch \
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file://CVE-2017-8363.patch \
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"
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SRC_URI[md5sum] = "fd1d97c6077f03b5d984d7956ffedb7a"
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