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I am trying to complete a challenge on Hackthebox.eu that requires cracking a password. After some research it looks like using JohnTheRipper program would be best for this. While trying to setup this program on Kali Linux VM, this is what I get (I'm following a tutorial to set this all up):

kali@kali:~/Desktop$ git clone https://github.com/magnumripper/JohnTheRipper.git
Cloning into 'JohnTheRipper'...
remote: Enumerating objects: 91701, done.
fatal: pack has bad object at offset 702615: inflate returned -5
fatal: index-pack failed

I can't get any further than this because I really don't know what I'm doing. I did try a solution that suggested the code was too big or my internet was too slow and turned off compression but that didn't work either. Any help is appreciated or a point in the right direction

RighteousRanger
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2 Answers2

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I just cloned it without issue:

Cloning into 'JohnTheRipper'...
remote: Enumerating objects: 91701, done.
remote: Total 91701 (delta 0), reused 0 (delta 0), pack-reused 91701
Receiving objects: 100% (91701/91701), 114.37 MiB | 1.40 MiB/s, done.
Resolving deltas: 100% (71974/71974), done.
Updating files: 100% (1930/1930), done.

That means your memory is not enough to accommodate the uncompression steps, as described here and in this page.
I would first raise the memory allocated to the VM and see if this is enough.

VonC
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  • So, I tried this and still get the same results. I bumped it up from 2GB to 4GB and there is no change. I should say that I've made sure that I do in fact have internet connection and can even browse to the git hub site listed. If RAM isn't what you're talking about here, the VHD is 80 GB. – RighteousRanger Jul 30 '20 at 21:17
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    @RighteousRanger Strange. What version of Git are you using in that VM? – VonC Jul 30 '20 at 22:06
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well i simply updated git to 2.28.0 and this problem is gone. could be something wrong with specific versions like 2.17.1 and such

Don Chiang
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