ffmpeg: fix CVE-2024-28661

Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2024-28661.patch b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2024-28661.patch
new file mode 100644 (file)
index 0000000..fd5009b
--- /dev/null
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2024-28661.patch
@@ -0,0 +1,40 @@
+From 66b50445cb36cf6adb49c2397362509aedb42c71 Mon Sep 17 00:00:00 2001
+From: James Almer <jamrial@gmail.com>
+Date: Fri, 16 Feb 2024 11:17:13 -0300
+Subject: [PATCH] avcodec/speexdec: check for sane frame_size values
+
+Regression since ab39cc36c72bb73318bb911acb66873de850a107.
+
+Fixes heap buffer overflows
+Fixes ticket #10866
+
+Reported-by: sploitem <sploitem@gmail.com>
+Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
+Signed-off-by: James Almer <jamrial@gmail.com>
+
+CVE: CVE-2024-28661
+
+Upstream-Status: Backport [https://github.com/FFmpeg/FFmpeg/commit/66b50445cb36cf6adb49c2397362509aedb42c71]
+
+Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
+---
+ libavcodec/speexdec.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/libavcodec/speexdec.c b/libavcodec/speexdec.c
+index ee95417..5b016df 100644
+--- a/libavcodec/speexdec.c
++++ b/libavcodec/speexdec.c
+@@ -1419,8 +1419,9 @@ static int parse_speex_extradata(AVCodecContext *avctx,
+         return AVERROR_INVALIDDATA;
+     s->bitrate = bytestream_get_le32(&buf);
+     s->frame_size = bytestream_get_le32(&buf);
+-    if (s->frame_size < NB_FRAME_SIZE << s->mode)
++    if (s->frame_size < NB_FRAME_SIZE << (s->mode > 0))
+         return AVERROR_INVALIDDATA;
++    s->frame_size *= 1 + (s->mode > 0);
+     s->vbr = bytestream_get_le32(&buf);
+     s->frames_per_packet = bytestream_get_le32(&buf);
+     if (s->frames_per_packet <= 0 ||
+--
+2.40.0

diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb b/meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb
index aa317513a15a4c8afcb0d18769666409b30a7e5b..2048e519629881470b22c3880f09c270d0549d6b 100644 (file)
--- a/meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb
@@ -48,6 +48,7 @@ SRC_URI = "https://www.ffmpeg.org/releases/${BP}.tar.xz \
            file://CVE-2024-36616.patch \
            file://CVE-2024-36617.patch \
            file://CVE-2024-36618.patch \
+           file://CVE-2024-28661.patch \
           "
 
 SRC_URI[sha256sum] = "ef2efae259ce80a240de48ec85ecb062cecca26e4352ffb3fda562c21a93007b"