35 lines
973 B
Diff
35 lines
973 B
Diff
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From f833c53cb596e9e1792949f762e0b33661822748 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: Tue, 23 May 2017 20:15:24 +1000
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Subject: [PATCH] src/aiff.c: Fix a buffer read overflow
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Secunia Advisory SA76717.
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Found by: Laurent Delosieres, Secunia Research at Flexera Software
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CVE: CVE-2017-6892
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Upstream-Status: Backport
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Signed-off-by: Fan Xin <fan.xin@jp.fujitsu.com>
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---
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src/aiff.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/aiff.c b/src/aiff.c
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index 5b5f9f5..45864b7 100644
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--- a/src/aiff.c
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+++ b/src/aiff.c
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@@ -1759,7 +1759,7 @@ aiff_read_chanmap (SF_PRIVATE * psf, unsigned dword)
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psf_binheader_readf (psf, "j", dword - bytesread) ;
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if (map_info->channel_map != NULL)
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- { size_t chanmap_size = psf->sf.channels * sizeof (psf->channel_map [0]) ;
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+ { size_t chanmap_size = SF_MIN (psf->sf.channels, layout_tag & 0xffff) * sizeof (psf->channel_map [0]) ;
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free (psf->channel_map) ;
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--
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1.9.1
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