From e61da2e8848782052d6d5d69f111520a7f772e52 Mon Sep 17 00:00:00 2001 From: Alex Vong Date: Wed, 7 Feb 2018 14:39:40 +0800 Subject: gnu: mpv: Fix CVE-2018-6360. * 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 --- gnu/packages/patches/mpv-CVE-2018-6360-1.patch | 138 +++++++++++++++++++++++++ 1 file changed, 138 insertions(+) create mode 100644 gnu/packages/patches/mpv-CVE-2018-6360-1.patch (limited to 'gnu/packages/patches/mpv-CVE-2018-6360-1.patch') diff --git a/gnu/packages/patches/mpv-CVE-2018-6360-1.patch b/gnu/packages/patches/mpv-CVE-2018-6360-1.patch new file mode 100644 index 0000000000..55fc7daaf3 --- /dev/null +++ b/gnu/packages/patches/mpv-CVE-2018-6360-1.patch @@ -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 +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 + -- cgit v1.2.3