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authorreimar <reimar@b3059339-0415-0410-9bf9-f77b7e298cf2>2008-09-30 10:44:50 +0000
committerreimar <reimar@b3059339-0415-0410-9bf9-f77b7e298cf2>2008-09-30 10:44:50 +0000
commit0651813cb00fb1246e7f5025714dce3088af4f64 (patch)
treef3d7c442257a07478da4c5fe8c7acbd41fb81223 /libmpdemux
parentf938a38b72cab1f5f1fe4585593a1b3851f9f06b (diff)
downloadmpv-0651813cb00fb1246e7f5025714dce3088af4f64.tar.bz2
mpv-0651813cb00fb1246e7f5025714dce3088af4f64.tar.xz
Apply patch for oCERT #2008-013 / CVE-2008-3827
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27675 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpdemux')
-rw-r--r--libmpdemux/demux_real.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libmpdemux/demux_real.c b/libmpdemux/demux_real.c
index 7de8611ec0..88e6574d6e 100644
--- a/libmpdemux/demux_real.c
+++ b/libmpdemux/demux_real.c
@@ -947,6 +947,7 @@ got_video:
// last fragment!
if(dp_hdr->len!=vpkg_length-vpkg_offset)
mp_msg(MSGT_DEMUX,MSGL_V,"warning! assembled.len=%d frag.len=%d total.len=%d \n",dp->len,vpkg_offset,vpkg_length-vpkg_offset);
+ if (vpkg_offset > dp->len - sizeof(dp_hdr_t) - dp_hdr->len) vpkg_offset = dp->len - sizeof(dp_hdr_t) - dp_hdr->len;
stream_read(demuxer->stream, dp_data+dp_hdr->len, vpkg_offset);
if((dp_data[dp_hdr->len]&0x20) && (sh_video->format==0x30335652)) --dp_hdr->chunks; else
dp_hdr->len+=vpkg_offset;
@@ -970,6 +971,7 @@ got_video:
// non-last fragment:
if(dp_hdr->len!=vpkg_offset)
mp_msg(MSGT_DEMUX,MSGL_V,"warning! assembled.len=%d offset=%d frag.len=%d total.len=%d \n",dp->len,vpkg_offset,len,vpkg_length);
+ if (len > dp->len - sizeof(dp_hdr_t) - dp_hdr->len) len = dp->len - sizeof(dp_hdr_t) - dp_hdr->len;
stream_read(demuxer->stream, dp_data+dp_hdr->len, len);
if((dp_data[dp_hdr->len]&0x20) && (sh_video->format==0x30335652)) --dp_hdr->chunks; else
dp_hdr->len+=len;
@@ -992,6 +994,7 @@ got_video:
extra[0]=1; extra[1]=0; // offset of the first chunk
if(0x00==(vpkg_header&0xc0)){
// first fragment:
+ if (len > dp->len - sizeof(dp_hdr_t)) len = dp->len - sizeof(dp_hdr_t);
dp_hdr->len=len;
stream_read(demuxer->stream, dp_data, len);
ds->asf_packet=dp;