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Dolapevich

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Dolapevich
Jan 30th, 2015
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  1. [root@syslogserv ~]# vim ghosttest.c
  2. -bash: vim: command not found
  3. [root@syslogserv ~]# vi ghosttest.c
  4. [root@syslogserv ~]# gcc ghosttest.c -o ghosttest
  5. [root@syslogserv ~]# ./ghosttest
  6. vulnerable
  7. [root@syslogserv ~]# yum update glibc
  8. Loaded plugins: fastestmirror, security
  9. Loading mirror speeds from cached hostfile
  10. * base: centos.xfree.com.ar
  11. * epel: epel.gtdinternet.com
  12. * extras: centos.xfree.com.ar
  13. * updates: centos.xfree.com.ar
  14. Skipping security plugin, no data
  15. Setting up Update Process
  16. Resolving Dependencies
  17. Skipping security plugin, no data
  18. --> Running transaction check
  19. --> Processing Dependency: glibc = 2.5-123 for package: glibc-devel
  20. --> Processing Dependency: glibc = 2.5-123 for package: glibc-headers
  21. --> Processing Dependency: glibc = 2.5-123 for package: nscd
  22. ---> Package glibc.i686 0:2.5-123.el5_11.1 set to be updated
  23. --> Processing Dependency: glibc-common = 2.5-123.el5_11.1 for package: glibc
  24. --> Running transaction check
  25. ---> Package glibc-common.i386 0:2.5-123.el5_11.1 set to be updated
  26. ---> Package glibc-devel.i386 0:2.5-123.el5_11.1 set to be updated
  27. ---> Package glibc-headers.i386 0:2.5-123.el5_11.1 set to be updated
  28. ---> Package nscd.i386 0:2.5-123.el5_11.1 set to be updated
  29. --> Finished Dependency Resolution
  30.  
  31. Dependencies Resolved
  32.  
  33. ================================================================================================================================================================
  34. Package Arch Version Repository Size
  35. ================================================================================================================================================================
  36. Updating:
  37. glibc i686 2.5-123.el5_11.1 updates 5.4 M
  38. Updating for dependencies:
  39. glibc-common i386 2.5-123.el5_11.1 updates 16 M
  40. glibc-devel i386 2.5-123.el5_11.1 updates 2.1 M
  41. glibc-headers i386 2.5-123.el5_11.1 updates 612 k
  42. nscd i386 2.5-123.el5_11.1 updates 178 k
  43.  
  44. Transaction Summary
  45. ================================================================================================================================================================
  46. Install 0 Package(s)
  47. Upgrade 5 Package(s)
  48.  
  49. Total download size: 25 M
  50. Is this ok [y/N]: y
  51. Downloading Packages:
  52. (1/5): nscd-2.5-123.el5_11.1.i386.rpm | 178 kB 00:00
  53. (2/5): glibc-headers-2.5-123.el5_11.1.i386.rpm | 612 kB 00:00
  54. (3/5): glibc-devel-2.5-123.el5_11.1.i386.rpm | 2.1 MB 00:02
  55. (4/5): glibc-2.5-123.el5_11.1.i686.rpm | 5.4 MB 00:05
  56. (5/5): glibc-common-2.5-123.el5_11.1.i386.rpm | 16 MB 00:17
  57. ----------------------------------------------------------------------------------------------------------------------------------------------------------------
  58. Total 921 kB/s | 25 MB 00:27
  59. Running rpm_check_debug
  60. Running Transaction Test
  61. Finished Transaction Test
  62. Transaction Test Succeeded
  63. Running Transaction
  64. Updating : glibc-common 1/10
  65. Updating : glibc 2/10
  66. Updating : nscd 3/10
  67. Updating : glibc-headers 4/10
  68. Updating : glibc-devel 5/10
  69. Cleanup : glibc-common 6/10
  70. Cleanup : nscd 7/10
  71. Cleanup : glibc-headers 8/10
  72. Cleanup : glibc-devel 9/10
  73. Cleanup : glibc 10/10
  74.  
  75. Updated:
  76. glibc.i686 0:2.5-123.el5_11.1
  77.  
  78. Dependency Updated:
  79. glibc-common.i386 0:2.5-123.el5_11.1 glibc-devel.i386 0:2.5-123.el5_11.1 glibc-headers.i386 0:2.5-123.el5_11.1 nscd.i386 0:2.5-123.el5_11.1
  80.  
  81. Complete!
  82. [root@syslogserv ~]# sync
  83. [root@syslogserv ~]# sync
  84. [root@syslogserv ~]# sync
  85. [root@syslogserv ~]# reboot
  86.  
  87. Broadcast message from root (pts/0) (Fri Jan 30 18:14:38 2015):
  88.  
  89. The system is going down for reboot NOW!
  90. [root@syslogserv ~]# Connection to 192.168.88.38 closed by remote host.
  91. Connection to 192.168.88.38 closed.
  92. muniz@lap01:~/clients/ppl$ ssh root@192.168.88.38
  93. root@192.168.88.38's password:
  94. Last login: Fri Jan 30 18:10:25 2015 from 192.168.88.40
  95. [root@syslogserv ~]# ./ghosttest
  96. not vulnerable
  97. [root@syslogserv ~]#
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