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huntrAbysslabB29C69FA-3EAC-41E4-9D4F-D861ABA18235
HistoryJul 30, 2022 - 8:08 a.m.

Segmentation Fault in SFS_Expression

2022-07-3008:08:11
abysslab
www.huntr.dev
6

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

1.9 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:N/I:N/A:P

0.0005 Low

EPSS

Percentile

16.5%

It can cause Denial-of-service attack.

Version

root@ubuntu:~/gpac/.git# cat refs/heads/master
0102c5d4db7fdbf08b5b591b2a6264de33867a07

system stack size (default)

root@ubuntu:~/gpac/bin/gcc# ulimit -s
8192

POC

Download POC

Execute

root@ubuntu:~/gpac/bin/gcc# ./MP4Box -info -disox -dump-chap-ogg -dump-cover -drtp -x3dv -out /dev/null ./recursion
[iso file] Unknown box type FF0000 in parent moov
[iso file] extra box maxr found in hinf, deleting
[iso file] Unknown box type 80000 in parent moov
[iso file] Incomplete box mdat - start 11495 size 808395597
[iso file] Incomplete file while reading for dump - aborting parsing
[iso file] Unknown box type FF0000 in parent moov
[iso file] extra box maxr found in hinf, deleting
[iso file] Unknown box type 80000 in parent moov
[iso file] Incomplete box mdat - start 11495 size 808395597
[iso file] Incomplete file while reading for dump - aborting parsing
MPEG-4 BIFS Scene Parsing
Segmentation fault

GDB

#1 ...
#7880 0x00007ffff6cdbf19 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:466
#7881 0x00007ffff6cdc6c7 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:658
#7882 0x00007ffff6cdc89f in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:568
#7883 0x00007ffff6cdcc25 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:544
#7884 0x00007ffff6cdbf19 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:466
#7885 0x00007ffff6cdc6c7 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:658
#7886 0x00007ffff6cdc89f in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:568
#7887 0x00007ffff6cdcc25 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:544
#7888 0x00007ffff6cdbf19 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:466
#7889 0x00007ffff6cdc6c7 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:658
#7890 0x00007ffff6cdc89f in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:568
#7891 0x00007ffff6cdcc25 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:544
#7892 0x00007ffff6cdbf19 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:466
#7893 0x00007ffff6cdc6c7 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:658
#7894 0x00007ffff6cdc89f in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:568
#7895 0x00007ffff6cdcc25 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:544
#7896 0x00007ffff6cdbf19 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:466
#7897 0x00007ffff6cdc6c7 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:658
#7898 0x00007ffff6cdc89f in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:568
#7899 0x00007ffff6cdcc25 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:544
#7900 0x00007ffff6cdbf19 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:466
#7901 0x00007ffff6cdc6c7 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:658
#7902 0x00007ffff6cdc89f in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:568
#7903 0x00007ffff6cdcc25 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:544
#7904 0x00007ffff6cdbf19 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:466
#7905 0x00007ffff6cdc6c7 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:658
#7906 0x00007ffff6cdc89f in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:568
#7907 0x00007ffff6cdcc25 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:544
#7908 0x00007ffff6cdbf19 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:466
#7909 0x00007ffff6cdc6c7 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:658
#7910 0x00007ffff6cdc89f in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:568
#7911 0x00007ffff6cdcc25 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:544
#7912 0x00007ffff6cdbf19 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:466
#7913 0x00007ffff6cdc6c7 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:658
#7914 0x00007ffff6cdc89f in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:568
#7915 0x00007ffff6cdcc25 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:544
#7916 0x00007ffff6cdbf19 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:466
#7917 0x00007ffff6cdc6c7 in SFS_Expression (parser=0x7fffffff6f30) at bifs/script_dec.c:658
#7918 0x00007ffff6cdb61c in SFS_CompoundExpression (parser=0x7fffffff6f30) at bifs/script_dec.c:419
#7919 0x00007ffff6cdaed3 in SFS_IfStatement (parser=0x7fffffff6f30) at bifs/script_dec.c:334
#7920 0x00007ffff6cdac78 in SFS_Statement (parser=0x7fffffff6f30) at bifs/script_dec.c:303
#7921 0x00007ffff6cdab2c in SFS_StatementBlock (parser=0x7fffffff6f30, funcBody=GF_TRUE) at bifs/script_dec.c:287
#7922 0x00007ffff6cd9f01 in SFScript_Parse (codec=<optimized out>, script_field=0x8e1740, bs=0x8cded0, n=<optimized out>) at bifs/script_dec.c:210
#7923 0x00007ffff6cc5563 in gf_bifs_dec_sf_field (codec=0x8de970, bs=0x8cded0, node=0x8e1850, field=0x7fffffff7060, is_mem_com=GF_FALSE) at bifs/field_decode.c:277
#7924 0x00007ffff6cc9156 in BD_DecMFFieldVec (codec=0x8de970, bs=0x8cded0, node=0x8e1850, field=0x7fffffff7130, is_mem_com=<optimized out>) at bifs/field_decode.c:427
#7925 0x00007ffff6cc9a74 in gf_bifs_dec_field (codec=0x8de970, bs=0x8cded0, node=0x8e1850, field=0x7fffffff7130, is_mem_com=GF_FALSE) at bifs/field_decode.c:566
#7926 0x00007ffff6cca419 in gf_bifs_dec_node_list (codec=0x8de970, bs=0x8cded0, node=0x8e1850, is_proto=<optimized out>) at bifs/field_decode.c:626
#7927 0x00007ffff6cc8130 in gf_bifs_dec_node (codec=0x51, bs=<optimized out>, NDT_Tag=<optimized out>) at bifs/field_decode.c:928
#7928 0x00007ffff6cc8daa in BD_DecMFFieldVec (codec=0x8de970, bs=0x8cded0, node=0x8e17c0, field=0x7fffffff7720, is_mem_com=GF_FALSE) at bifs/field_decode.c:436
#7929 0x00007ffff6cc9a74 in gf_bifs_dec_field (codec=0x8de970, bs=0x8cded0, node=0x8e17c0, field=0x7fffffff7720, is_mem_com=GF_FALSE) at bifs/field_decode.c:566
#7930 0x00007ffff6cca419 in gf_bifs_dec_node_list (codec=0x8de970, bs=0x8cded0, node=0x8e17c0, is_proto=<optimized out>) at bifs/field_decode.c:626
#7931 0x00007ffff6cc8130 in gf_bifs_dec_node (codec=0x37, bs=<optimized out>, NDT_Tag=<optimized out>) at bifs/field_decode.c:928
#7932 0x00007ffff6cb5067 in BD_DecSceneReplace (codec=0x8de970, bs=0x8cded0, proto_list=<optimized out>) at bifs/com_dec.c:1357
#7933 0x00007ffff6cd6043 in BM_SceneReplace (codec=0x8de970, bs=0x6, com_list=0x8ded30) at bifs/memory_decoder.c:867
#7934 0x00007ffff6cd6556 in BM_ParseCommand (codec=0x8de970, bs=0x8cded0, com_list=0x8ded30) at bifs/memory_decoder.c:917
#7935 0x00007ffff6cd7075 in gf_bifs_decode_command_list (codec=0x8de970, ESID=<optimized out>,
    data=0x8dedb0 "\314\314", '\060' <repeats 169 times>, "\020", '\060' <repeats 28 times>..., data_length=0x2010, com_list=0x8ded30) at bifs/memory_decoder.c:1038
#7936 0x00007ffff70b378e in gf_sm_load_run_isom (load=0x7fffffff8660) at scene_manager/loader_isom.c:303
#7937 0x00007ffff70765ab in gf_sm_load_run (load=0x7fffffff8660) at scene_manager/scene_manager.c:719
#7938 0x0000000000443136 in dump_isom_scene (file=<optimized out>, inName=0x7fffffffe754 "/dev/null", is_final_name=GF_TRUE, dump_mode=GF_SM_DUMP_X3D_VRML,
    do_log=<optimized out>, no_odf_conv=<optimized out>) at filedump.c:203
#7939 0x0000000000434038 in mp4box_main (argc=<optimized out>, argv=<optimized out>) at mp4box.c:6344
#7940 0x00007ffff657ec87 in __libc_start_main (main=0x4410a0 <main>, argc=0xa, argv=0x7fffffffe488, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>,
    stack_end=0x7fffffffe478) at ../csu/libc-start.c:310
#7941 0x00000000004103fa in _start

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

1.9 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:N/I:N/A:P

0.0005 Low

EPSS

Percentile

16.5%

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