1 files changed, 38 insertions, 0 deletions
diff --git a/multimedia/mythtv/files/patch-CVE-2017-14057 b/multimedia/mythtv/files/patch-CVE-2017-14057
new file mode 100644
index 000000000000..ba73f6c6d7ab
--- /dev/null
+++ b/multimedia/mythtv/files/patch-CVE-2017-14057
@@ -0,0 +1,38 @@
+From f94517934bf0ff2510f472fa2bc4cd362951109c Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=E5=AD=99=E6=B5=A9=20and=20=E5=BC=A0=E6=B4=AA=E4=BA=AE=28?=
+ =?UTF-8?q?=E6=9C=9B=E5=88=9D=29?= <tony.sh and wangchu.zhl@alibaba-inc.com>
+Date: Fri, 25 Aug 2017 12:37:25 +0200
+Subject: [PATCH] avformat/asfdec: Fix DoS due to lack of eof check
+
+Fixes: loop.asf
+
+Found-by: Xiaohei and Wangchu from Alibaba Security Team
+Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
+(cherry picked from commit 7f9ec5593e04827249e7aeb466da06a98a0d7329)
+Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
+---
+ libavformat/asfdec_f.c | 6 ++++--
+ 1 file changed, 4 insertions(+), 2 deletions(-)
+
+diff --git libavformat/asfdec_f.c libavformat/asfdec_f.c
+index b973eff96e4..2cacafe50d5 100644
+--- external/FFmpeg/libavformat/asfdec_f.c
++++ external/FFmpeg/libavformat/asfdec_f.c
+@@ -749,13 +749,15 @@ static int asf_read_marker(AVFormatContext *s, int64_t size)
+     count = avio_rl32(pb);    // markers count
+     avio_rl16(pb);            // reserved 2 bytes
+     name_len = avio_rl16(pb); // name length
+-    for (i = 0; i < name_len; i++)
+-        avio_r8(pb); // skip the name
++    avio_skip(pb, name_len);
+ 
+     for (i = 0; i < count; i++) {
+         int64_t pres_time;
+         int name_len;
+ 
++        if (avio_feof(pb))
++            return AVERROR_INVALIDDATA;
++
+         avio_rl64(pb);             // offset, 8 bytes
+         pres_time = avio_rl64(pb); // presentation time
+         pres_time -= asf->hdr.preroll * 10000;