Traneptora/FFmpeg
1
Fork 0
forked from FFmpeg/FFmpeg
Code Pull requests Activity

avformat/dashdec: Check whitelist

Browse source 
Fixes: CVE-2023-6602, V. DASH Playlist SSRF

Found-by: Harvey Phillips of Amazon Element55 (element55)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2025-01-16 00:22:05 +01:00
parent c6c54943d1
commit 4c96d6bf75
No known key found for this signature in database
GPG key ID: B18E8928B3948D64
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
libavformat/dashdec.c
View file

@ -446,7 +446,7 @@ static int open_url(AVFormatContext *s, AVIOContext **pb, const char *url,
av_freep(pb);
av_dict_copy(&tmp, *opts, 0);
av_dict_copy(&tmp, opts2, 0);
ret = avio_open2(pb, url, AVIO_FLAG_READ, c->interrupt_callback, &tmp);
ret = ffio_open_whitelist(pb, url, AVIO_FLAG_READ, c->interrupt_callback, &tmp, s->protocol_whitelist, s->protocol_blacklist);
if (ret >= 0) {
// update cookies on http response with setcookies.
char *new_cookies = NULL;
@ -1225,7 +1225,7 @@ static int parse_manifest(AVFormatContext *s, const char *url, AVIOContext *in)
close_in = 1;
av_dict_copy(&opts, c->avio_opts, 0);
ret = avio_open2(&in, url, AVIO_FLAG_READ, c->interrupt_callback, &opts);
ret = ffio_open_whitelist(&in, url, AVIO_FLAG_READ, c->interrupt_callback, &opts, s->protocol_whitelist, s->protocol_blacklist);
av_dict_free(&opts);
if (ret < 0)
return ret;