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 1574, 1/79 ȸ¿ø°¡ÀÔ  ·Î±×ÀΠ 
   turttle2s
   pwnable.kr echo1 Áú¹®

http://www.hackerschool.org/HS_Boards/view.php?id=QNA_system&no=2000 [º¹»ç]


echo1 Ãë¾àÁ¡Àº ¾Ë°Ú´Âµ¥ ½Ã³ª¸®¿À°¡ ¶°¿À¸£Áú ¾Ê¾Æ¼­ Ç®À̸¦ ºÃ½À´Ï´Ù.

id º¯¼ö¿¡ ¾î¼ÀÀ» ÀúÀåÇØ À̸¦ ½ÇÇàÇÏ´øµ¥, ÀÌ ¿µ¿ª¿¡´Â ½ÇÇà ±ÇÇÑÀÌ ¾ø´Â°É·Î º¸À̴µ¥ Á¦°¡ ¾îµð¸¦ ³õÄ£°Ç°¡¿ä?


[ id º¯¼ö ÁÖ¼Ò ]
(gdb) info variables id
All variables matching regular expression "id":
....
Non-debugging symbols:
0x0000000000602078  dtor_idx
0x00000000006020a0  id
0x00007ffff7f5e500  codeset_idx
0x00007ffff7fac434  tty_gid
0x00007ffff7fb02f8  tiocgsid_does_not_work
(gdb)



[ ¿µ¿ª ±ÇÇÑ ]
(gdb) !cat /proc/13398/maps
00400000-00401000 r-xp 00000000 08:05 1202702                            /home/user1/wargame/pwnablekr/echo1
00601000-00602000 r--p 00001000 08:05 1202702                            /home/user1/wargame/pwnablekr/echo1
00602000-00603000 rw-p 00002000 08:05 1202702                            /home/user1/wargame/pwnablekr/echo1
...



  Hit : 1636     Date : 2021/06/17 01:53



    
cd80 ºÐ¼®À» À߸øÇÏ¼Ì³×¿ä ¾î¼ÀÀ» ÀúÀåÇÏÁö ¾Ê½À´Ï´Ù ¹» ½ÇÇàÇÏÁöµµ ¾Ê±¸¿ä 2021/06/17  
turttle2s Á¦°¡ À߸ø ¸»Ç߳׿ä. ¾î¼ÀÀÌ ¾Æ´Ï¶ó ±â°è¾îÀÔ´Ï´ç 2021/06/21  

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