| From f833c53cb596e9e1792949f762e0b33661822748 Mon Sep 17 00:00:00 2001 |
| From: Erik de Castro Lopo <erikd@mega-nerd.com> |
| Date: Tue, 23 May 2017 20:15:24 +1000 |
| Subject: [PATCH] src/aiff.c: Fix a buffer read overflow |
| |
| Secunia Advisory SA76717. |
| |
| Found by: Laurent Delosieres, Secunia Research at Flexera Software |
| |
| CVE: CVE-2017-6892 |
| Upstream-Status: Backport |
| |
| Signed-off-by: Fan Xin <fan.xin@jp.fujitsu.com> |
| |
| --- |
| src/aiff.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| diff --git a/src/aiff.c b/src/aiff.c |
| index 5b5f9f5..45864b7 100644 |
| --- a/src/aiff.c |
| +++ b/src/aiff.c |
| @@ -1759,7 +1759,7 @@ aiff_read_chanmap (SF_PRIVATE * psf, unsigned dword) |
| psf_binheader_readf (psf, "j", dword - bytesread) ; |
| |
| if (map_info->channel_map != NULL) |
| - { size_t chanmap_size = psf->sf.channels * sizeof (psf->channel_map [0]) ; |
| + { size_t chanmap_size = SF_MIN (psf->sf.channels, layout_tag & 0xffff) * sizeof (psf->channel_map [0]) ; |
| |
| free (psf->channel_map) ; |
| |
| -- |
| 1.9.1 |
| |