22034, 10/1102 ȸ¿ø°¡ÀÔ  ·Î±×ÀΠ 
   ocal
   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 : 4747     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  
21854   ºÎ»ê ÇØÅ· º¸¾È ½ºÅ͵ð ȤÀº °¡¸£ÃÄ ÁÖ½Ç ºÐ[2]     gonggan00
07/11 4271
21853   Æ÷·»½Ä ¹è¿ì°í½Í½À´Ï´Ù µµ¿ÍÁÖ¼¼¿ä[1]     pkdo1030
07/09 5389
21852   ÇÁ·Î±×·¡¹Ö ½Ç·ÂÀ» ´Ã¸®°í½Í½À´Ï´Ù[2]     posq3347
07/08 6293
21851   ÇØÅ· ÇÁ·Î±×·¡¹Ö °øºÎ ´ÜÅå¹æÀÔ´Ï´Ù.[1]     wjdgh214
06/28 7273
21850   ÇÁ·Î±×·¡¹ÖÀ̳ª ÇØÅ·ÂÊÀ¸·Î °ú¿Ü¸¦ ¹Þ°í ½ÍÀºµ¥[4]     good5767
06/28 4425
  pwnable.kr starcraft ¸¶¹«¸®¸¦ ¾î¶»°Ô ÇØ¾ß ÇÒ±î¿ä?[3]     ocal
06/26 4746
21848   php, jsp Ã¥ Ãßõ ÇØÁÖ¼¼¿ä.[1]     chanjung111
06/18 3337
21847   ÆÄÀ̽ã Ã¥ ÃßõÇØÁÖ¼¼¿ä.[2]     chanjung111
06/15 4469
21846   "[±ÇÇѺÎÁ·] ÀÌ °­Á´ ´ëÇб³ ·¹º§ ÀÌ»ó¸¸ ¿­¶÷ °¡´ÉÇÕ´Ï´Ù" ¹®Á¦[3]     traveler5260
06/10 4047
21845   ¾È³çÇϼ¼¿ä °« ÀÔ¹®ÇÑ º´¾Æ¸®ÀÔ´Ï´Ù! ÇØÅ· ½ºÄ𠸸ȭ °°Àº »çÀÌÆ® ÃßõÇØ ÁÖ¼¼¿ä![3]     °õÁ©¸®
06/09 3745
21844   ¾îµµºñ Ç÷¡½Ã Â÷´ÜµÇ¸é[1]     turttle2s
06/08 3610
21843   ½Å¹Ú»ç´Ô ã½À´Ï´Ù     kt7282
06/05 3392
21842   pwnable] NX °É·ÁÀÖ°í ¶óÀ̺귯¸® Á¦°ø¾ÈÇϸé ÀÓÆ÷Æ®µÈ ÇÔ¼ö°¡Áö°í ½© ¾ò¾î¾ß Çϴ°Š¸ÂÁÒ?[2]     mailwoou
06/04 3409
21841   ¸®´ª½º ±³Àç, °øºÎ¹æ¹ý ÃßõÇØÁÖ¼¼¿ä[2]     Haike0548
05/24 3879
21840   ½º¸¶Æ®Æù ÇØÅ· °Ë»ç ÇÒ ¼ö ÀÖ´Â ¾÷ü ÀÖÀ»±î¿ä[1]     laujin
05/19 5609
21839   FTZ ÇÒ ¶§[2]     IF7370
05/15 6773
21838   FTZ ¼­¹ö Á¢¼Ó ¾È µÉ¶§[2]     IF7370
05/14 6802
21837   ±¹¹ä °è»ê±â[2]     ÇѽÂÀç
05/13 8315
21836   ÇÁ·Î±×·¡¹ÖÀ» °øºÎÇÏ·¡¼­ ±âº» ¹®¹ýÀº ¹è¿ü´Âµ¥¿ä..[5]     IF7370
05/08 4041
21835   [¼­¿ï°æ±â] TEAM RedKnights ¸â¹ö ¸ðÁýÇÕ´Ï´Ù     ckh8000
05/04 3767
[1][2][3][4][5][6][7][8][9] 10 ..[1102]

Copyright 1999-2024 Zeroboard / skin by Hackerschool.org / Secure Patch by Hackerschool.org