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gnu: mpv: Fix CVE-2018-6360.

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* gnu/packages/patches/mpv-CVE-2018-6360-1.patch,
gnu/packages/patches/mpv-CVE-2018-6360-2.patch,
gnu/packages/patches/mpv-CVE-2018-6360-3.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
* gnu/packages/video.scm (mpv)[source]: Use them.

Signed-off-by: Leo Famulari <leo@famulari.name>
This commit is contained in:
Alex Vong 2018-02-07 14:39:40 +08:00 committed by Leo Famulari
parent 30335a2963
commit e61da2e884
No known key found for this signature in database
GPG key ID: 2646FA30BACA7F08
5 changed files with 289 additions and 2 deletions
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5
gnu/local.mk
View file

@ -9,7 +9,7 @@
# Copyright © 2016 Adonay "adfeno" Felipe Nogueira <https://libreplanet.org/wiki/User:Adfeno> <adfeno@openmailbox.org>
# Copyright © 2016, 2017 Ricardo Wurmus <rekado@elephly.net>
# Copyright © 2016 Ben Woodcroft <donttrustben@gmail.com>
# Copyright © 2016, 2017 Alex Vong <alexvong1995@gmail.com>
# Copyright © 2016, 2017, 2018 Alex Vong <alexvong1995@gmail.com>
# Copyright © 2016, 2017 Efraim Flashner <efraim@flashner.co.il>
# Copyright © 2016, 2017 Jan Nieuwenhuizen <janneke@gnu.org>
# Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
@ -909,6 +909,9 @@ dist_patch_DATA = \
%D%/packages/patches/mhash-keygen-test-segfault.patch \
%D%/packages/patches/mingw-w64-5.0rc2-gcc-4.9.3.patch \
%D%/packages/patches/mpc123-initialize-ao.patch \
%D%/packages/patches/mpv-CVE-2018-6360-1.patch \
%D%/packages/patches/mpv-CVE-2018-6360-2.patch \
%D%/packages/patches/mpv-CVE-2018-6360-3.patch \
%D%/packages/patches/module-init-tools-moduledir.patch \
%D%/packages/patches/mongodb-support-unknown-linux-distributions.patch \
%D%/packages/patches/mozjs17-aarch64-support.patch \

138
gnu/packages/patches/mpv-CVE-2018-6360-1.patch Normal file
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@ -0,0 +1,138 @@
Fix CVE-2018-6360:
https://github.com/mpv-player/mpv/issues/5456
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6360
https://security-tracker.debian.org/tracker/CVE-2018-6360
Patch copied from upstream source repository:
https://github.com/mpv-player/mpv/commit/e6e6b0dcc7e9b0dbf35154a179b3dc1fcfcaff43
To apply the patch to mpv 0.28.0 release tarball, hunk #4 is removed. Hunk #4
checks if 'mpd_url' is safe, but the support for 'mpd_url' is not available
for the 0.28.0 release. So it should be safe to remove hunk #4.
From e6e6b0dcc7e9b0dbf35154a179b3dc1fcfcaff43 Mon Sep 17 00:00:00 2001
From: Ricardo Constantino <wiiaboo@gmail.com>
Date: Fri, 26 Jan 2018 01:19:04 +0000
Subject: [PATCH] ytdl_hook: whitelist protocols from urls retrieved from
youtube-dl
Not very clean since there's a lot of potential unsafe urls that youtube-dl
can give us, depending on whether it's a single url, split tracks,
playlists, segmented dash, etc.
---
player/lua/ytdl_hook.lua | 54 +++++++++++++++++++++++++++++++++++++++++-------
1 file changed, 47 insertions(+), 7 deletions(-)
diff --git a/player/lua/ytdl_hook.lua b/player/lua/ytdl_hook.lua
index dd96ecc01d..b480c21625 100644
--- a/player/lua/ytdl_hook.lua
+++ b/player/lua/ytdl_hook.lua
@@ -16,6 +16,18 @@ local ytdl = {
local chapter_list = {}
+function Set (t)
+ local set = {}
+ for _, v in pairs(t) do set[v] = true end
+ return set
+end
+
+local safe_protos = Set {
+ "http", "https", "ftp", "ftps",
+ "rtmp", "rtmps", "rtmpe", "rtmpt", "rtmpts", "rtmpte",
+ "data"
+}
+
local function exec(args)
local ret = utils.subprocess({args = args})
return ret.status, ret.stdout, ret
@@ -183,6 +195,9 @@ local function edl_track_joined(fragments, protocol, is_live, base)
for i = offset, #fragments do
local fragment = fragments[i]
+ if not url_is_safe(join_url(base, fragment)) then
+ return nil
+ end
table.insert(parts, edl_escape(join_url(base, fragment)))
if fragment.duration then
parts[#parts] =
@@ -208,6 +223,15 @@ local function proto_is_dash(json)
or json["protocol"] == "http_dash_segments"
end
+local function url_is_safe(url)
+ local proto = type(url) == "string" and url:match("^(.+)://") or nil
+ local safe = proto and safe_protos[proto]
+ if not safe then
+ msg.error(("Ignoring potentially unsafe url: '%s'"):format(url))
+ end
+ return safe
+end
+
local function add_single_video(json)
local streamurl = ""
local max_bitrate = 0
@@ -238,14 +264,18 @@ local function add_single_video(json)
edl_track = edl_track_joined(track.fragments,
track.protocol, json.is_live,
track.fragment_base_url)
+ local url = edl_track or track.url
+ if not url_is_safe(url) then
+ return
+ end
if track.acodec and track.acodec ~= "none" then
-- audio track
mp.commandv("audio-add",
- edl_track or track.url, "auto",
+ url, "auto",
track.format_note or "")
elseif track.vcodec and track.vcodec ~= "none" then
-- video track
- streamurl = edl_track or track.url
+ streamurl = url
end
end
@@ -264,7 +294,13 @@ local function add_single_video(json)
msg.debug("streamurl: " .. streamurl)
- mp.set_property("stream-open-filename", streamurl:gsub("^data:", "data://", 1))
+ streamurl = streamurl:gsub("^data:", "data://", 1)
+
+ if not url_is_safe(streamurl) then
+ return
+ end
+
+ mp.set_property("stream-open-filename", streamurl)
mp.set_property("file-local-options/force-media-title", json.title)
@@ -526,14 +562,18 @@ mp.add_hook(o.try_ytdl_first and "on_load" or "on_load_fail", 10, function ()
site = entry["webpage_url"]
end
- if not (site:find("https?://") == 1) then
- site = "ytdl://" .. site
+ -- links with only youtube id as returned by --flat-playlist
+ if not site:find("://") then
+ table.insert(playlist, "ytdl://" .. site)
+ elseif url_is_safe(site) then
+ table.insert(playlist, site)
end
- table.insert(playlist, site)
end
- mp.set_property("stream-open-filename", "memory://" .. table.concat(playlist, "\n"))
+ if #playlist > 0 then
+ mp.set_property("stream-open-filename", "memory://" .. table.concat(playlist, "\n"))
+ end
end
else -- probably a video
--
2.16.1

59
gnu/packages/patches/mpv-CVE-2018-6360-2.patch Normal file
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@ -0,0 +1,59 @@
Fix CVE-2018-6360:
https://github.com/mpv-player/mpv/issues/5456
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6360
https://security-tracker.debian.org/tracker/CVE-2018-6360
Patch copied from upstream source repository:
https://github.com/mpv-player/mpv/commit/f8263e82cc74a9ac6530508bec39c7b0dc02568f
From f8263e82cc74a9ac6530508bec39c7b0dc02568f Mon Sep 17 00:00:00 2001
From: Ricardo Constantino <wiiaboo@gmail.com>
Date: Fri, 26 Jan 2018 11:26:27 +0000
Subject: [PATCH] ytdl_hook: move url_is_safe earlier in code
lua isn't javascript.
---
player/lua/ytdl_hook.lua | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/player/lua/ytdl_hook.lua b/player/lua/ytdl_hook.lua
index b480c21625..458c94af38 100644
--- a/player/lua/ytdl_hook.lua
+++ b/player/lua/ytdl_hook.lua
@@ -84,6 +84,15 @@ local function edl_escape(url)
return "%" .. string.len(url) .. "%" .. url
end
+local function url_is_safe(url)
+ local proto = type(url) == "string" and url:match("^(.+)://") or nil
+ local safe = proto and safe_protos[proto]
+ if not safe then
+ msg.error(("Ignoring potentially unsafe url: '%s'"):format(url))
+ end
+ return safe
+end
+
local function time_to_secs(time_string)
local ret
@@ -223,15 +232,6 @@ local function proto_is_dash(json)
or json["protocol"] == "http_dash_segments"
end
-local function url_is_safe(url)
- local proto = type(url) == "string" and url:match("^(.+)://") or nil
- local safe = proto and safe_protos[proto]
- if not safe then
- msg.error(("Ignoring potentially unsafe url: '%s'"):format(url))
- end
- return safe
-end
-
local function add_single_video(json)
local streamurl = ""
local max_bitrate = 0
--
2.16.1

84
gnu/packages/patches/mpv-CVE-2018-6360-3.patch Normal file
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@ -0,0 +1,84 @@
Fix CVE-2018-6360:
https://github.com/mpv-player/mpv/issues/5456
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6360
https://security-tracker.debian.org/tracker/CVE-2018-6360
Patch copied from upstream source repository:
https://github.com/mpv-player/mpv/commit/ce42a965330dfeb7d2f6c69ea42d35454105c828
From ce42a965330dfeb7d2f6c69ea42d35454105c828 Mon Sep 17 00:00:00 2001
From: Ricardo Constantino <wiiaboo@gmail.com>
Date: Fri, 26 Jan 2018 18:54:17 +0000
Subject: [PATCH] ytdl_hook: fix safe url checking with EDL urls
---
player/lua/ytdl_hook.lua | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/player/lua/ytdl_hook.lua b/player/lua/ytdl_hook.lua
index 458c94af38..6c8e78657d 100644
--- a/player/lua/ytdl_hook.lua
+++ b/player/lua/ytdl_hook.lua
@@ -264,18 +264,17 @@ local function add_single_video(json)
edl_track = edl_track_joined(track.fragments,
track.protocol, json.is_live,
track.fragment_base_url)
- local url = edl_track or track.url
- if not url_is_safe(url) then
+ if not edl_track and not url_is_safe(track.url) then
return
end
if track.acodec and track.acodec ~= "none" then
-- audio track
mp.commandv("audio-add",
- url, "auto",
+ edl_track or track.url, "auto",
track.format_note or "")
elseif track.vcodec and track.vcodec ~= "none" then
-- video track
- streamurl = url
+ streamurl = edl_track or track.url
end
end
@@ -284,6 +283,9 @@ local function add_single_video(json)
edl_track = edl_track_joined(json.fragments, json.protocol,
json.is_live, json.fragment_base_url)
+ if not edl_track and not url_is_safe(json.url) then
+ return
+ end
-- normal video or single track
streamurl = edl_track or json.url
set_http_headers(json.http_headers)
@@ -294,13 +296,7 @@ local function add_single_video(json)
msg.debug("streamurl: " .. streamurl)
- streamurl = streamurl:gsub("^data:", "data://", 1)
-
- if not url_is_safe(streamurl) then
- return
- end
-
- mp.set_property("stream-open-filename", streamurl)
+ mp.set_property("stream-open-filename", streamurl:gsub("^data:", "data://", 1))
mp.set_property("file-local-options/force-media-title", json.title)
@@ -499,6 +495,10 @@ mp.add_hook(o.try_ytdl_first and "on_load" or "on_load_fail", 10, function ()
msg.debug("EDL: " .. playlist)
+ if not playlist then
+ return
+ end
+
-- can't change the http headers for each entry, so use the 1st
if json.entries[1] then
set_http_headers(json.entries[1].http_headers)
--
2.16.1

5
gnu/packages/video.scm
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@ -6,7 +6,7 @@
;;; Copyright © 2015, 2016, 2017 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2015 Andy Patterson <ajpatter@uwaterloo.ca>
;;; Copyright © 2015 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2015, 2016, 2017 Alex Vong <alexvong1995@gmail.com>
;;; Copyright © 2015, 2016, 2017, 2018 Alex Vong <alexvong1995@gmail.com>
;;; Copyright © 2016, 2017 Alex Griffin <a@ajgrf.com>
;;; Copyright © 2016 Kei Kebreau <kkebreau@posteo.net>
;;; Copyright © 2016 Dmitry Nikolaev <cameltheman@gmail.com>
@ -1018,6 +1018,9 @@ (define-public mpv
(sha256
(base32
"1d2p6k3y9lqx8bpdal4grrj8ljy7pvd8qgdq8004fmr38afmbb7f"))
(patches (search-patches "mpv-CVE-2018-6360-1.patch"
"mpv-CVE-2018-6360-2.patch"
"mpv-CVE-2018-6360-3.patch"))
(file-name (string-append name "-" version ".tar.gz"))))
(build-system waf-build-system)
(native-inputs