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Diffstat (limited to 'media-sound/sox/files/sox-14.4.2-CVE-2017-15370.patch')
-rw-r--r--media-sound/sox/files/sox-14.4.2-CVE-2017-15370.patch25
1 files changed, 25 insertions, 0 deletions
diff --git a/media-sound/sox/files/sox-14.4.2-CVE-2017-15370.patch b/media-sound/sox/files/sox-14.4.2-CVE-2017-15370.patch
new file mode 100644
index 00000000000..473c383a663
--- /dev/null
+++ b/media-sound/sox/files/sox-14.4.2-CVE-2017-15370.patch
@@ -0,0 +1,25 @@
+From ef3d8be0f80cbb650e4766b545d61e10d7a24c9e Mon Sep 17 00:00:00 2001
+From: Mans Rullgard <mans@mansr.com>
+Date: Sun, 5 Nov 2017 16:21:23 +0000
+Subject: [PATCH] wav: ima_adpcm: fix buffer overflow on corrupt input
+ (CVE-2017-15370)
+
+Add the same check bad block size as was done for MS adpcm in commit
+f39c574b ("More checks for invalid MS ADPCM blocks").
+---
+ src/wav.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/wav.c b/src/wav.c
+index 5202556c..3e80e692 100644
+--- a/src/wav.c
++++ b/src/wav.c
+@@ -127,7 +127,7 @@ static unsigned short ImaAdpcmReadBlock(sox_format_t * ft)
+ /* work with partial blocks. Specs say it should be null */
+ /* padded but I guess this is better than trailing quiet. */
+ samplesThisBlock = lsx_ima_samples_in((size_t)0, (size_t)ft->signal.channels, bytesRead, (size_t) 0);
+- if (samplesThisBlock == 0)
++ if (samplesThisBlock == 0 || samplesThisBlock > wav->samplesPerBlock)
+ {
+ lsx_warn("Premature EOF on .wav input file");
+ return 0;