From c72025cabdfcb2fe30d24eda7bb9d1d01a1b6555 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Fri, 4 Oct 2024 13:21:44 +0300
Subject: [PATCH] wavparse: Check that at least 4 bytes are available before
 parsing cue chunks

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8042>

Upstream-Status: Backport [https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/c72025cabdfcb2fe30d24eda7bb9d1d01a1b6555]
CVE: CVE-2024-47775 CVE-2024-47776 CVE-2024-47777 CVE-2024-47778
Signed-off-by: Vijay Anusuri <vanusuri@mvista.com>
---
 subprojects/gst-plugins-good/gst/wavparse/gstwavparse.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/subprojects/gst-plugins-good/gst/wavparse/gstwavparse.c b/subprojects/gst-plugins-good/gst/wavparse/gstwavparse.c
index 6a0c44638ea2..5655ee3825ca 100644
--- a/gst/wavparse/gstwavparse.c
+++ b/gst/wavparse/gstwavparse.c
@@ -790,6 +790,11 @@ gst_wavparse_cue_chunk (GstWavParse * wav, const guint8 * data, guint32 size)
     return TRUE;
   }
 
+  if (size < 4) {
+    GST_WARNING_OBJECT (wav, "broken file %d", size);
+    return FALSE;
+  }
+
   ncues = GST_READ_UINT32_LE (data);
 
   if (size < 4 + ncues * 24) {
-- 
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