Blame SOURCES/libsndfile-1.0.29-cve2017_6892.patch
|
 |
327a27 |
From f833c53cb596e9e1792949f762e0b33661822748 Mon Sep 17 00:00:00 2001
|
|
|
327a27 |
From: Erik de Castro Lopo <erikd@mega-nerd.com>
|
|
|
327a27 |
Date: Tue, 23 May 2017 20:15:24 +1000
|
|
|
327a27 |
Subject: [PATCH] src/aiff.c: Fix a buffer read overflow
|
|
|
327a27 |
|
|
|
327a27 |
Secunia Advisory SA76717.
|
|
|
327a27 |
|
|
|
327a27 |
Found by: Laurent Delosieres, Secunia Research at Flexera Software
|
|
|
327a27 |
---
|
|
|
327a27 |
src/aiff.c | 2 +-
|
|
|
327a27 |
1 file changed, 1 insertion(+), 1 deletion(-)
|
|
|
327a27 |
|
|
|
327a27 |
diff --git a/src/aiff.c b/src/aiff.c
|
|
|
327a27 |
index 5b5f9f53..45864b76 100644
|
|
|
327a27 |
--- a/src/aiff.c
|
|
|
327a27 |
+++ b/src/aiff.c
|
|
|
327a27 |
@@ -1759,7 +1759,7 @@ aiff_read_chanmap (SF_PRIVATE * psf, unsigned dword)
|
|
|
327a27 |
psf_binheader_readf (psf, "j", dword - bytesread) ;
|
|
|
327a27 |
|
|
|
327a27 |
if (map_info->channel_map != NULL)
|
|
|
327a27 |
- { size_t chanmap_size = psf->sf.channels * sizeof (psf->channel_map [0]) ;
|
|
|
327a27 |
+ { size_t chanmap_size = SF_MIN (psf->sf.channels, layout_tag & 0xffff) * sizeof (psf->channel_map [0]) ;
|
|
|
327a27 |
|
|
|
327a27 |
free (psf->channel_map) ;
|
|
|
327a27 |
|