Comments (5)
gaasedelen
commented on May 20, 2024
Can you confirm if this is the binary in the v1.1 VM or the one in the standalone binaries zip? I believe the standalone binaries zip might not be in sync with the binaries in the v1.1 VM, so that should probably be fixed.
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Grazfather
commented on May 20, 2024
The VM version has canaries
lecture@warzone:/levels/lecture/rop$ md5sum rop_exit
fa6bf6f0b133d6127a2f796a3f6873cb rop_exit
lecture@warzone:/levels/lecture/rop$ gdb rop_exit
Reading symbols from rop_exit...(no debugging symbols found)...done.
gdb-peda$ disass main
Dump of assembler code for function main:
0x080486dc <+95>: call 0x8048550 <__stack_chk_fail@plt>
0x080486e1 <+100>: lea esp,[ebp-0xc]
0x080486e4 <+103>: pop ebx
0x080486e5 <+104>: pop esi
0x080486e6 <+105>: pop edi
0x080486e7 <+106>: pop ebp
0x080486e8 <+107>: ret
End of assembler dump.
gdb-peda$ checksec
CANARY : ENABLED
FORTIFY : disabled
NX : ENABLED
PIE : disabled
RELRO : Partial
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Grazfather
commented on May 20, 2024
$ md5 MBE_VM.vmdk
MD5 (MBE_VM.vmdk) = 9655bbe68e22d466885ebc17320d3a0e
$ ls -lh MBE_VM.vmdk.gz
-rw-r--r-- 1 grazfather staff 1153094387 Sep 28 00:02 MBE_VM.vmdk.gzfrom mbe.
SharonBrizinov
commented on May 20, 2024
also, shouldn't it be compiled statically? it's probably their first rop chain
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kuqadk3
commented on May 20, 2024
God...I have spent my afternoon trying to bypass the canaries...
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Related Issues (20)
- Course videos HOT 3
- /levels/lecture/heap/print_frees missing from vm
- lab10C.c is missing header <linux/slab.h> for kmalloc
- Error in Lecture 10 Slide 16 HOT 2
- Challenge binary mentioned in Lecture 02 HOT 1
- ERROR: ./levels not found HOT 2
- any videos available? HOT 2
- Next step after lab1C? HOT 2
- gets and libc >= 2.23 HOT 1
- Record video lectures
- MBE_VM not downloadable HOT 2
- Enabling ASLR in MBE_VM HOT 2
- Include Lab slides in the Repo
- Lecture cpp level cpp_lec02 not exploitable?
- The clerical error in page 11 of 05_lecture.pdf HOT 1
- OS Image Issues HOT 3
- lab6b (ASLR) | Newlines are not being removed from user input fields
- Install pwntools for python3
- Course website is down HOT 3
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