22002, 6/1101 ȸ¿ø°¡ÀÔ  ·Î±×ÀΠ 
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   pwnable.kr starcraft ¸¶¹«¸®¸¦ ¾î¶»°Ô ÇØ¾ß ÇÒ±î¿ä?

http://www.hackerschool.org/HS_Boards/zboard.php?id=Free_Board&no=37361 [º¹»ç]


pwnable.kr starcraft ¹®Á¦¿¡ °üÇÑ Áú¹®ÀÔ´Ï´Ù.

ÀÏ´Ü checksec·Î °Ë»çµÇ´Â º¸È£±â¹ýÀº ´Ù °É·ÁÀÖ½À´Ï´Ù.(RELRO, Canary, NX, PIE)

ÀÌ·± »óȲ¿¡¼­ Á¤¼®Àº libc base address¸¦ µý ÈÄ¿¡ rip hijackÀ» Çؼ­ ¸ÅÁ÷ °¡Á¬À» ³ÖÀ¸¸é µÇ°ÚÁö¿ä. ±×·¡¼­ ±×·¸°Ô Çߴµ¥...

libc base leak, rip hijack, one gadgetÀ» Á¶ÇÕÇÏ·Á°í ¼¼°³ ´Ù ¾Ë¾Æ³Â½À´Ï´Ù.

±×·±µ¥ one gadgetÀÇ constraint¸¦ ¸¸Á·À» ¾ÈÇϳ׿ä. ¾î¶»°Ô ÇØ¾ß ÇÒÁö ¸ð¸£°Ú½À´Ï´Ù.

Ȥ½Ã ÀÌ ¹®Á¦ Ǫ¼Ì°Å³ª ¾Æ´Ï¸é ¾ÆÀ̵ð¾î ÀÖÀ¸½Å ºÐ Á¶¾ðÀ» Á» ÇØÁÖ½Ã¸é °¨»çÇÏ°Ú½À´Ï´Ù.

(cf) °¡Á¬ÀÇ Á¦ÇÑ »çÇ×Àº À̸¦Å׸é ÀÌ·±°Ì´Ï´Ù.
(ex) rax == NULL
(ex) [rsp+0x30] == NULL

  Hit : 4071     Date : 2020/06/26 03:21



    
ocal Ç®¾ú½À´Ï´Ù... 2020/06/27  
jason102938 Çæ µü ¸·È÷½Å °÷¿¡¼­ Àúµµ ¸·Çû´Âµ¥,,, one gadgetÀÇ Á¦¾à»çÇ×À» ¸¸Á·¸øÇؼ­ ´Ù¸¥ ºÎºÐÀ» º¸°í ÀÖ½À´Ï´Ù.
Ȥ½Ã ¾î¶»°Ô Ǫ¼Ì´ÂÁö Á¶¾ðÁ» ÇØÁֽǼö ÀÖÀ»±î¿ä?
2021/06/03  
ocal ¾ÈµÇ¸é µÇ°Ô ÇØ¾ß ÇÕ´Ï´Ù 2022/02/08  
21902   ÄÁÅÃÇϽǺРã½À´Ï´Ù.     aiden01234
06/13 2391
21901 ºñ¹Ð±ÛÀÔ´Ï´Ù  ½º½Â´Ô±¸ÇÏ°íÀÖ½À´Ï´Ù µµ¿òÀ»ÁÖ¼¼¿ä     JGX004
06/07 3
21900   ÇØÅ· º¸¾È °ü·Ã °ú¿Ü¸¦ ÁøÇàÇÕ´Ï´Ù.[1]     bluewindsoul
05/29 2540
21899   ÇØÅ·°ú¿Ü¼±»ý´ÔÀÖÀ¸½Å°¡¿ä[1]     dfdrdc1211
05/12 2402
21898   ÇÁ·ÎÁ§Æ® °°ÀÌ ÇÒ µ¿¹« ¸ðÁýÇÕ´Ï´Ù.[2]     eonion88
05/04 2715
21897   À¥ÇØÅ· °ú¿Ü ¼±»ý´Ô[1]     corverous67
04/30 2641
21896   µðÁöÅÐ Æ÷·»½Ä 縰Áö 2021     ÇѽÂÀç
04/29 3042
21895   µµ¿ò Á» ÁÖ¼¼¿ä     shbj030100
04/27 2172
21894   ÇØÅ·°ú¿Ü ¼±»ý´Ôã½À´Ï´Ù[1]     donghyun1012
04/24 2245
21893   ÇØÅ·°ú¿Ü ¼±»ý´Ô ã½À´Ï´Ù.[1]     ploplo33
04/23 2157
21892   º¸¾È ±ÍÁ·ÇÑÅ× °í¼Ò¸Ô¾ú½À´Ï´Ù.     nninni79
04/20 3729
21891   ÇØÅ· °ü·Ã ¼­Àû[1]     izerocom
04/18 2296
21890   °ú¿Ü¼±»ý´Ô ã½À´Ï´Ù[2]     roy0612
04/16 1974
21889   °³ÀÎÁ¤º¸(ÀüÈ­¹øÈ£, SNS ID µî)Àº ÂÊÁö·Î¸¸ ±³È¯ÇØÁÖ¼¼¿ä[13]     ÇѽÂÀç
04/11 2518
21888   º¸¾È ÂÊ °øºÎ´Â ºñÀü°øÀÚÀä.. Áú¹®ÀÌ ÀÖ½À´Ï´Ù..[4]     xnslwoal
04/09 2380
21887   ºñÆ®ÄÚÀÎ ÅõÀÚ »ç±â ´çÇß½À´Ï´Ù. µµ¿ÍÁÖ¼¼¿ä Á¦¹ß[2]     ko99881
03/29 2817
21886   ÇØÅ· °ü·Ã °ú¿Ü ¼±»ý´Ô ã¾Æ¿ä T.T[2]     qkralsdnr3
03/27 2626
21885   Á¤º¸º¸È£¿Í ¹ÌÀûºÐ¿¡°üÇÏ¿©[3]     cmn1479
03/25 3858
21884   [ÀӽðøÁö] °ú¿Ü ±¸Àα¸Á÷½Ã ÁÖÀÇ»çÇ×      ÇѽÂÀç
03/24 2618
21883   ÇØÅ· °ú¿Ü ¼±»ý´Ô ã½À´Ï´Ù.[2]     greenstreet
03/18 2410
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