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Bug: heap-buffer-overflow in lib_tparm.c:160
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From: |
puppet |
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Subject: |
Bug: heap-buffer-overflow in lib_tparm.c:160 |
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Date: |
Tue, 26 May 2020 00:41:50 +0800 (GMT+08:00) |
Version: ncurses 6.2.20200212
OS: Ubuntu 16.04 LTS
POC: https://github.com/puppet-meteor/NLP_POC/blob/master/infotocap/POC_11_000167
cmd: ./infotocap POC
ASAN log:
==32656==WARNING: unexpected format specifier in printf interceptor: %4#
=================================================================
==32656==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60800000bffa at pc 0x7ffff6ecb9f5 bp 0x7ffffffea800 sp 0x7ffffffe9f90
WRITE of size 96 at 0x60800000bffa thread T0
#0 0x7ffff6ecb9f4 in __interceptor_vsprintf (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x619f4)
#1 0x7ffff6ecbcc9 in __interceptor_sprintf (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x61cc9)
#2 0x42bdcb in save_number ../../ncurses/tinfo/lib_tparm.c:160
#3 0x42dbb0 in tparam_internal ../../ncurses/tinfo/lib_tparm.c:589
#4 0x42eccb in tparm ../../ncurses/tinfo/lib_tparm.c:854
#5 0x435539 in set_attribute_9 ../../ncurses/tinfo/trim_sgr0.c:55
#6 0x4360bd in _nc_trim_sgr0 ../../ncurses/tinfo/trim_sgr0.c:245
#7 0x41b343 in fmt_entry ../../progs/dump_entry.c:1082
#8 0x41da5c in dump_entry ../../progs/dump_entry.c:1542
#9 0x405e5e in main ../../progs/tic.c:1041
#10 0x7ffff6ac082f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
#11 0x4024e8 in _start (/data3/ASAN/ncurses-6.2/ASAN/infotocap+0x4024e8)
0x60800000bffa is located 0 bytes to the right of 90-byte region [0x60800000bfa0,0x60800000bffa)
allocated by thread T0 here:
#0 0x7ffff6f02961 in realloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98961)
#1 0x425cbf in _nc_doalloc ../../ncurses/tinfo/doalloc.c:51
#2 0x42bbb6 in get_space ../../ncurses/tinfo/lib_tparm.c:133
#3 0x42bd5f in save_number ../../ncurses/tinfo/lib_tparm.c:158
#4 0x42dbb0 in tparam_internal ../../ncurses/tinfo/lib_tparm.c:589
#5 0x42eccb in tparm ../../ncurses/tinfo/lib_tparm.c:854
#6 0x435539 in set_attribute_9 ../../ncurses/tinfo/trim_sgr0.c:55
#7 0x4360bd in _nc_trim_sgr0 ../../ncurses/tinfo/trim_sgr0.c:245
#8 0x41b343 in fmt_entry ../../progs/dump_entry.c:1082
#9 0x41da5c in dump_entry ../../progs/dump_entry.c:1542
#10 0x405e5e in main ../../progs/tic.c:1041
#11 0x7ffff6ac082f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
SUMMARY: AddressSanitizer: heap-buffer-overflow ??:0 __interceptor_vsprintf
Shadow bytes around the buggy address:
0x0c107fff97a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c107fff97b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c107fff97c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c107fff97d0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c107fff97e0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
=>0x0c107fff97f0: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00[02]
0x0c107fff9800: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c107fff9810: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c107fff9820: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c107fff9830: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c107fff9840: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Heap right redzone: fb
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack partial redzone: f4
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
==32656==ABORTING
From ZJU NESA Lab
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