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-rw-r--r--meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-6602-CVE-2023-6604-CVE-2023-6605-0001.patch79
-rw-r--r--meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-6602-CVE-2023-6604-CVE-2023-6605-0002.patch142
-rw-r--r--meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-6602-CVE-2023-6604-CVE-2023-6605-0003.patch45
-rw-r--r--meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.3.bb3
4 files changed, 269 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-6602-CVE-2023-6604-CVE-2023-6605-0001.patch b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-6602-CVE-2023-6604-CVE-2023-6605-0001.patch
new file mode 100644
index 0000000000..2b28eeada5
--- /dev/null
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-6602-CVE-2023-6604-CVE-2023-6605-0001.patch
@@ -0,0 +1,79 @@
1From 3ef588940eef62742d28171bf212a474206f8e03 Mon Sep 17 00:00:00 2001
2From: Michael Niedermayer <michael@niedermayer.cc>
3Date: Mon, 15 May 2023 00:54:50 +0200
4Subject: [PATCH] avformat: add ff_match_url_ext()
5
6Match url against a list of extensions similar to av_match_ext()
7
8Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
9(cherry picked from commit a7b06bfc5d20b12ff0122702c09517cf359fbb66)
10Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
11
12CVE: CVE-2023-6604 CVE-2023-6602 CVE-2023-6605
13
14Upstream-Status: Backport [https://github.com/FFmpeg/FFmpeg/commit/3ef588940ee]
15
16Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
17---
18 libavformat/format.c | 25 +++++++++++++++++++++++++
19 libavformat/internal.h | 9 +++++++++
20 2 files changed, 34 insertions(+)
21
22diff --git a/libavformat/format.c b/libavformat/format.c
23index 52b85c1..5e057d7 100644
24--- a/libavformat/format.c
25+++ b/libavformat/format.c
26@@ -48,6 +48,31 @@ int av_match_ext(const char *filename, const char *extensions)
27 return 0;
28 }
29
30+int ff_match_url_ext(const char *url, const char *extensions)
31+{
32+ const char *ext;
33+ URLComponents uc;
34+ int ret;
35+ char scratchpad[128];
36+
37+ if (!url)
38+ return 0;
39+
40+ ret = ff_url_decompose(&uc, url, NULL);
41+ if (ret < 0 || !URL_COMPONENT_HAVE(uc, scheme))
42+ return ret;
43+ for (ext = uc.query; *ext != '.' && ext > uc.path; ext--)
44+ ;
45+
46+ if (*ext != '.')
47+ return 0;
48+ if (uc.query - ext > sizeof(scratchpad))
49+ return AVERROR(ENOMEM); //not enough memory in our scratchpad
50+ av_strlcpy(scratchpad, ext + 1, FFMIN(sizeof(scratchpad), uc.query - ext));
51+
52+ return av_match_name(scratchpad, extensions);
53+}
54+
55 const AVOutputFormat *av_guess_format(const char *short_name, const char *filename,
56 const char *mime_type)
57 {
58diff --git a/libavformat/internal.h b/libavformat/internal.h
59index bffb8e6..584b979 100644
60--- a/libavformat/internal.h
61+++ b/libavformat/internal.h
62@@ -1015,6 +1015,15 @@ int ff_unlock_avformat(void);
63 */
64 void ff_format_set_url(AVFormatContext *s, char *url);
65
66+/**
67+ * Return a positive value if the given url has one of the given
68+ * extensions, negative AVERROR on error, 0 otherwise.
69+ *
70+ * @param url url to check against the given extensions
71+ * @param extensions a comma-separated list of filename extensions
72+ */
73+int ff_match_url_ext(const char *url, const char *extensions);
74+
75 void avpriv_register_devices(const AVOutputFormat * const o[], const AVInputFormat * const i[]);
76
77 /**
78--
792.40.0
diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-6602-CVE-2023-6604-CVE-2023-6605-0002.patch b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-6602-CVE-2023-6604-CVE-2023-6605-0002.patch
new file mode 100644
index 0000000000..1ba1006197
--- /dev/null
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-6602-CVE-2023-6604-CVE-2023-6605-0002.patch
@@ -0,0 +1,142 @@
1From 9803800e0e8cd8e1e7695f77cfbf4e0db0abfe57 Mon Sep 17 00:00:00 2001
2From: Michael Niedermayer <michael@niedermayer.cc>
3Date: Thu, 16 Jan 2025 01:28:46 +0100
4Subject: [PATCH] avformat/hls: Be more picky on extensions
5
6This blocks disallowed extensions from probing
7It also requires all available segments to have matching extensions to the format
8mpegts is treated independent of the extension
9
10It is recommended to set the whitelists correctly
11instead of depending on extensions, but this should help a bit,
12and this is easier to backport
13
14Fixes: CVE-2023-6602 II. HLS Force TTY Demuxer
15Fixes: CVE-2023-6602 IV. HLS XBIN Demuxer DoS Amplification
16
17The other parts of CVE-2023-6602 have been fixed by prior commits
18
19Found-by: Harvey Phillips of Amazon Element55 (element55)
20Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
21(cherry picked from commit 91d96dc8ddaebe0b6cb393f672085e6bfaf15a31)
22Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
23
24CVE: CVE-2023-6602 CVE-2023-6604 CVE-2023-6605
25
26Upstream-Status: Backport [https://github.com/FFmpeg/FFmpeg/commit/9803800e0e8cd8e1e7695f77cfbf4e0db0abfe57]
27
28Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
29---
30 doc/demuxers.texi | 7 +++++++
31 libavformat/hls.c | 50 +++++++++++++++++++++++++++++++++++++++++++++++
32 2 files changed, 57 insertions(+)
33
34diff --git a/doc/demuxers.texi b/doc/demuxers.texi
35index 26ae768..6e0b25e 100644
36--- a/doc/demuxers.texi
37+++ b/doc/demuxers.texi
38@@ -365,6 +365,13 @@ segment index to start live streams at (negative values are from the end).
39 @item allowed_extensions
40 ',' separated list of file extensions that hls is allowed to access.
41
42+@item extension_picky
43+This blocks disallowed extensions from probing
44+It also requires all available segments to have matching extensions to the format
45+except mpegts, which is always allowed.
46+It is recommended to set the whitelists correctly instead of depending on extensions
47+Enabled by default.
48+
49 @item max_reload
50 Maximum number of times a insufficient list is attempted to be reloaded.
51 Default value is 1000.
52diff --git a/libavformat/hls.c b/libavformat/hls.c
53index d5e9b21..e1bb677 100644
54--- a/libavformat/hls.c
55+++ b/libavformat/hls.c
56@@ -214,6 +214,7 @@ typedef struct HLSContext {
57 AVDictionary *avio_opts;
58 AVDictionary *seg_format_opts;
59 char *allowed_extensions;
60+ int extension_picky;
61 int max_reload;
62 int http_persistent;
63 int http_multiple;
64@@ -716,6 +717,40 @@ static int open_url(AVFormatContext *s, AVIOContext **pb, const char *url,
65 return ret;
66 }
67
68+static int test_segment(AVFormatContext *s, const AVInputFormat *in_fmt, struct playlist *pls, struct segment *seg)
69+{
70+ HLSContext *c = s->priv_data;
71+ int matchA = 3;
72+ int matchF = 0;
73+
74+ if (!c->extension_picky)
75+ return 0;
76+
77+ if (strcmp(c->allowed_extensions, "ALL"))
78+ matchA = av_match_ext (seg->url, c->allowed_extensions)
79+ + 2*(ff_match_url_ext(seg->url, c->allowed_extensions) > 0);
80+
81+ if (!matchA) {
82+ av_log(s, AV_LOG_ERROR, "URL %s is not in allowed_extensions\n", seg->url);
83+ return AVERROR_INVALIDDATA;
84+ }
85+
86+ if (in_fmt) {
87+ if (in_fmt->extensions) {
88+ matchF = av_match_ext( seg->url, in_fmt->extensions)
89+ + 2*(ff_match_url_ext(seg->url, in_fmt->extensions) > 0);
90+ } else if (!strcmp(in_fmt->name, "mpegts"))
91+ matchF = 3;
92+
93+ if (!(matchA & matchF)) {
94+ av_log(s, AV_LOG_ERROR, "detected format extension %s mismatches allowed extensions in url %s\n", in_fmt->extensions ? in_fmt->extensions : "none", seg->url);
95+ return AVERROR_INVALIDDATA;
96+ }
97+ }
98+
99+ return 0;
100+}
101+
102 static int parse_playlist(HLSContext *c, const char *url,
103 struct playlist *pls, AVIOContext *in)
104 {
105@@ -959,6 +994,14 @@ static int parse_playlist(HLSContext *c, const char *url,
106 goto fail;
107 }
108
109+ ret = test_segment(c->ctx, pls->ctx ? pls->ctx->iformat : NULL, pls, seg);
110+ if (ret < 0) {
111+ av_free(seg->url);
112+ av_free(seg->key);
113+ av_free(seg);
114+ goto fail;
115+ }
116+
117 if (duration < 0.001 * AV_TIME_BASE) {
118 av_log(c->ctx, AV_LOG_WARNING, "Cannot get correct #EXTINF value of segment %s,"
119 " set to default value to 1ms.\n", seg->url);
120@@ -2040,6 +2083,11 @@ static int hls_read_header(AVFormatContext *s)
121 pls->ctx->interrupt_callback = s->interrupt_callback;
122 url = av_strdup(pls->segments[0]->url);
123 ret = av_probe_input_buffer(&pls->pb.pub, &in_fmt, url, NULL, 0, 0);
124+
125+ for (int n = 0; n < pls->n_segments; n++)
126+ if (ret >= 0)
127+ ret = test_segment(s, in_fmt, pls, pls->segments[n]);
128+
129 if (ret < 0) {
130 /* Free the ctx - it isn't initialized properly at this point,
131 * so avformat_close_input shouldn't be called. If
132@@ -2467,6 +2515,8 @@ static const AVOption hls_options[] = {
133 OFFSET(allowed_extensions), AV_OPT_TYPE_STRING,
134 {.str = "3gp,aac,avi,ac3,eac3,flac,mkv,m3u8,m4a,m4s,m4v,mpg,mov,mp2,mp3,mp4,mpeg,mpegts,ogg,ogv,oga,ts,vob,wav"},
135 INT_MIN, INT_MAX, FLAGS},
136+ {"extension_picky", "Be picky with all extensions matching",
137+ OFFSET(extension_picky), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, FLAGS},
138 {"max_reload", "Maximum number of times a insufficient list is attempted to be reloaded",
139 OFFSET(max_reload), AV_OPT_TYPE_INT, {.i64 = 1000}, 0, INT_MAX, FLAGS},
140 {"m3u8_hold_counters", "The maximum number of times to load m3u8 when it refreshes without new segments",
141--
1422.40.0
diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-6602-CVE-2023-6604-CVE-2023-6605-0003.patch b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-6602-CVE-2023-6604-CVE-2023-6605-0003.patch
new file mode 100644
index 0000000000..0a2488814f
--- /dev/null
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-6602-CVE-2023-6604-CVE-2023-6605-0003.patch
@@ -0,0 +1,45 @@
1From 800f5f818e858c864db86c174114d13f44d59044 Mon Sep 17 00:00:00 2001
2From: Michael Niedermayer <michael@niedermayer.cc>
3Date: Thu, 16 Jan 2025 00:22:05 +0100
4Subject: [PATCH] avformat/dashdec: Check whitelist
5
6Fixes: CVE-2023-6602, V. DASH Playlist SSRF
7
8Found-by: Harvey Phillips of Amazon Element55 (element55)
9Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
10(cherry picked from commit 4c96d6bf75357ab13808efc9f08c1b41b1bf5bdf)
11Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
12
13CVE: CVE-2023-6602 CVE-2023-6604 CVE-2023-6604
14
15Upstream-Status: Backport [https://github.com/FFmpeg/FFmpeg/commit/097131a6474bd6294ff337fa92025df60dff907a]
16
17Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
18---
19 libavformat/dashdec.c | 4 ++--
20 1 file changed, 2 insertions(+), 2 deletions(-)
21
22diff --git a/libavformat/dashdec.c b/libavformat/dashdec.c
23index 797fe74..78118de 100644
24--- a/libavformat/dashdec.c
25+++ b/libavformat/dashdec.c
26@@ -442,7 +442,7 @@ static int open_url(AVFormatContext *s, AVIOContext **pb, const char *url,
27 av_freep(pb);
28 av_dict_copy(&tmp, *opts, 0);
29 av_dict_copy(&tmp, opts2, 0);
30- ret = avio_open2(pb, url, AVIO_FLAG_READ, c->interrupt_callback, &tmp);
31+ ret = ffio_open_whitelist(pb, url, AVIO_FLAG_READ, c->interrupt_callback, &tmp, s->protocol_whitelist, s->protocol_blacklist);
32 if (ret >= 0) {
33 // update cookies on http response with setcookies.
34 char *new_cookies = NULL;
35@@ -1217,7 +1217,7 @@ static int parse_manifest(AVFormatContext *s, const char *url, AVIOContext *in)
36 close_in = 1;
37
38 av_dict_copy(&opts, c->avio_opts, 0);
39- ret = avio_open2(&in, url, AVIO_FLAG_READ, c->interrupt_callback, &opts);
40+ ret = ffio_open_whitelist(&in, url, AVIO_FLAG_READ, c->interrupt_callback, &opts, s->protocol_whitelist, s->protocol_blacklist);
41 av_dict_free(&opts);
42 if (ret < 0)
43 return ret;
44--
452.40.0
diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.3.bb b/meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.3.bb
index f205c4a5db..27a9a80e8c 100644
--- a/meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.3.bb
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.3.bb
@@ -49,6 +49,9 @@ SRC_URI = "https://www.ffmpeg.org/releases/${BP}.tar.xz \
49 file://CVE-2025-22919.patch \ 49 file://CVE-2025-22919.patch \
50 file://CVE-2025-22921.patch \ 50 file://CVE-2025-22921.patch \
51 file://CVE-2025-7700.patch \ 51 file://CVE-2025-7700.patch \
52 file://CVE-2023-6602-CVE-2023-6604-CVE-2023-6605-0001.patch \
53 file://CVE-2023-6602-CVE-2023-6604-CVE-2023-6605-0002.patch \
54 file://CVE-2023-6602-CVE-2023-6604-CVE-2023-6605-0003.patch \
52 " 55 "
53 56
54SRC_URI[sha256sum] = "04c70c377de233a4b217c2fdf76b19aeb225a287daeb2348bccd978c47b1a1db" 57SRC_URI[sha256sum] = "04c70c377de233a4b217c2fdf76b19aeb225a287daeb2348bccd978c47b1a1db"
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2025-10-04 19:06:46 +0000