½Ã½ºÅÛ ÇØÅ·

 1574, 10/79 ȸ¿ø°¡ÀÔ  ·Î±×ÀΠ 
   h@cking2013
   ·¹À̽º ÄÁµð¼Ç ¿À·ù

http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_system&no=1769 [º¹»ç]


·¹À̽º ÄÁµð¼Ç ½Ç½ÀÀ» Çϱâ À§ÇØ c¾ð¾î·Î ÇÁ·Î±×·¥À» ¸¸µé¾ú´Âµ¥, fopenÇÔ¼ö·Î ½Éº¼¸¯ ¸µÅ© ÆÄÀÏÀ» ¿­·Á°í ÇÏ´Ï ¿­¸®Áö ¾Ê½À´Ï´Ù.

---------------------race.c--------------------------------------------
Áß·«
if((fp=fopen("/tmp/sample.txt","a"))==NULL)
{
fprintf(stderr,"Can't open\n");
exit(EXIT_FAILURE);
}
Áß·«
------------------------------------------------------------------------
-------------------makelink.c-----------------------------------------
Áß·«
system("ln -s /etc/passwd /tmp/sample.txt");
Áß·«
------------------------------------------------------------------------
ÇöÀç »ç¿ëÇÏ´Â ¿î¿µÃ¼Á¦´Â fedora 19(kernel 3.9.5)ÀÌ°í vmwareÀ§¿¡¼­ µ¹¾Æ°¡°í ÀÖ½À´Ï´Ù.
¾îµð¿¡ ¹®Á¦°¡ Àִ°ǰ¡¿ä?

  Hit : 3477     Date : 2015/01/11 01:06



    
1394   FTZ level1 ¾î¼Àºí¸®¾î ºÐ¼® Áß¿¡     hallohackers
02/27 3257
1393   dummy¿¡ ´ëÇØ Áú¹®ÇÕ´Ï´Ù![1]     h@cking2013
02/26 2991
1392   ¾î¼Àºí¸®¾î¿¡¼­ÀÇ ¹ÙÀÌÅÍ ¿À´õ[5]     h@cking2013
01/23 2974
1391   FTZ level15Áú¹®ÀԴϴ٠ȯ°æº¯¼ö ÁÖ¼Ò°¡ ¾È¸ÔÈ÷´ÂÀÌÀ¯..     jj4st13
01/16 3335
1390     [re] FTZ level15Áú¹®ÀԴϴ٠ȯ°æº¯¼ö ÁÖ¼Ò°¡ ¾È¸ÔÈ÷´ÂÀÌÀ¯..     cosine
06/28 3066
1389   ¸®¸ðÆ® ÇØÅ·ÀÌ ¹º°¡¿ä?[2]     hare
01/15 3534
1388   ¹öÆÛ¿À¹öÇ÷ο쿡¼­ Áú¹®ÀÖ½À´Ï´Ù////////////[2]     qotjddn6593
01/14 2958
1387   ÇØÅ·, °ø°ÝÀÇ ¿¹¼ú/ÇØÅ·, Æı«ÀÇ ±¤ÇÐ[4]     h@cking2013
01/13 3872
  ·¹À̽º ÄÁµð¼Ç ¿À·ù     h@cking2013
01/11 3476
1385     [re] ·¹À̽º ÄÁµð¼Ç ¿À·ù     cosine
06/28 2434
1384   ftz ¼­¹ö Àú¸¸ ÀÌ·±°Ç°¡¿ä?     skyclad1975
01/09 3561
1383   level4¹ø Áú¹®ÀÖ½À´Ï´Ù¸¸....[1]     qotjddn6593
01/08 2732
1382   ftz4¹ø±Ã±ÝÇÑ°Ô Àִµ¥¿ä[2]     qotjddn6593
01/08 2790
1381   level5 ¾ÏÈ£ µµÃâ °ü·Ã Áú¹®ÀÔ´Ï´Ù[2]     mildmind9697
11/26 2711
1380   ftz level1 GDB ÀÌ¿ëÇÑ ¼Ò½ºÄÚµå ºÐ¼® Ã¥³»¿ë°ú ´Þ¶ó¿ä.[1]     udtseal5733
11/10 3546
1379   conhost.exe À©µµ¿ì ½ÃÀ۽à ÇÁ·Î¼¼½º ¶ß´Âµ¥ ¾î¶»ÇÏÁÒ?     sunghologs11
10/19 6252
1378   ftz Á¢¼ÓÀÌ ¾ÈµË´Ï´Ù[1]     onsugi
10/16 2754
1377   ftz level5 ·¹À̽ºÄÁµð¼Ç Áú¹®µå¸³´Ï´Ù.[2]     lht94
09/11 2796
1376   level4 ¹®Á¦ Áú¹®µå¸³´Ï´Ù. ÇöÀç ftz ¿î¿µÇÏ°í °è½Ã´Â ºÐµµ ºÁÁÖ¼ÌÀ¸¸éÇÕ´Ï´Ù.     lht94
09/01 2801
1375   setreuid¿¡ ´ëÇؼ­ Áú¹®ÇÕ´Ï´Ù.     lht94
08/22 3223
[1][2][3][4][5][6][7][8][9] 10 ..[79]

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