FFmpeg before 2.8.12, 3.0.x and 3.1.x before 3.1.9, 3.2.x before 3.2.6, and 3.3.x before 3.3.2 does not properly restrict HTTP Live Streaming filename extensions and demuxer names, which allows attackers to read arbitrary files via crafted playlist data.
[
{
"source": "https://github.com/ffmpeg/ffmpeg/commit/a5d849b149ca67ced2d271dc84db0bc95a548abb",
"target": {
"function": "read_gab2_sub",
"file": "libavformat/avidec.c"
},
"deprecated": false,
"id": "CVE-2017-9993-0b18ff5d",
"signature_version": "v1",
"signature_type": "Function",
"digest": {
"length": 1723.0,
"function_hash": "100093900058542799657889733734995495217"
}
},
{
"source": "https://github.com/ffmpeg/ffmpeg/commit/a5d849b149ca67ced2d271dc84db0bc95a548abb",
"target": {
"file": "libavformat/avidec.c"
},
"deprecated": false,
"id": "CVE-2017-9993-193a3aba",
"signature_version": "v1",
"signature_type": "Line",
"digest": {
"threshold": 0.9,
"line_hashes": [
"247647588641104728213418509410831448062",
"210452344144348706880714598537528074252",
"114642071758997392080199538347251752333"
]
}
},
{
"source": "https://github.com/ffmpeg/ffmpeg/commit/189ff4219644532bdfa7bab28dfedaee4d6d4021",
"target": {
"function": "open_url",
"file": "libavformat/hls.c"
},
"deprecated": false,
"id": "CVE-2017-9993-1e057fb8",
"signature_version": "v1",
"signature_type": "Function",
"digest": {
"length": 1418.0,
"function_hash": "257983092419843509256040459780787130368"
}
},
{
"source": "https://github.com/ffmpeg/ffmpeg/commit/189ff4219644532bdfa7bab28dfedaee4d6d4021",
"target": {
"file": "libavformat/hls.c"
},
"deprecated": false,
"id": "CVE-2017-9993-fb437f3f",
"signature_version": "v1",
"signature_type": "Line",
"digest": {
"threshold": 0.9,
"line_hashes": [
"203502386244361887724902566458987754824",
"16964987273774486397817083865857283257",
"141704045537463233543622030142289086163",
"84024654689120089223240706499637257499",
"9068505603049988846850622761422986305",
"326956143841571710063172647790829892873",
"325329167976874793589187196805427456989",
"108423924755251432220890115302295076355",
"192732936803302232881769054923691155627",
"312204071381423099927987894530916434070",
"43764614645023624833614649909112426728",
"314333908702926658478912859270766703185",
"309502367116977254817880116671407519583"
]
}
}
]