BKPCTF some solutions

HIDDENSC:
02:00 <@crowell> disconnect3d: it's from the poking holes in information hiding paper
 https://www.usenix.org/conference/usenixsecurity16/technical-sessions/presentation/oikonomopoulos
POC: 02:11:16 <yrp> tezeb: https://gist.github.com/yrp604/82e4f1cb8ed553c7a995237062177a6c

MINESWEEPER:
02:00 <yyyyyyy> minesweeper writeup: https://hxp.io/blog/30

RSA:
02:00 <@gsilvis> RSA: 1 has a small factor [use pollard's rho]; 2 has a factor p where p-1 is smooth [use pollard's p-1]; 3 was GCD; 4 was Weiner's attack; 5 was Fermat's factorization algorithm

ACCOUNTING:
02:01 <@Elision> here's my accounting solution script https://github.com/cstanfill/accounting-writeup

SIDH:
02:01 <@Elision> here's a real FULL writeup for SIDH https://github.com/cstanfill/sidh-writeup

CLICK CLASK:
02:01 <dropkick_> crowell: what was your intended solution for click clack?  we threw ML at it but came up short
02:02 <dropkick_> then again, I forget what ML even stands for
02:02 <@crowell> dropkick_: all of the ML
02:02 <@Elision> so many ML
02:02 <@crowell> tensorflow, torch, back into tensorflow

RBASH ESCAPE:
02:02 <mak`> what was rbash about?
02:02 <@crowell> mak`: 0day rbash escape
02:02 <verylazyguy> mak: BASH_CMDS[0]=/flag/showFlag; 0

SNOWCLOUD:
02:01 <maxwakeh> Snowcloud solution please
02:02 <@L4nL4n> maxwakeh: snowcloud is writing your text to an image and OCRing it. XSS filter is before writing it to the image.

BAREWITHME:
02:03 <valis> what was the kernel vuln in barewithme?
02:03 <immerse> valis: the return value of kmalloc was unchecked in one place
02:05 <@acez> https://github.com/acama/ctf/tree/master/bkpctf2017/barewithme

SPONGE:
02:05 <negasora> oops, method for sponge
02:05 <@L4nL4n> negasora: meet in the middle on the small rate
02:05 <@gsilvis> negasora: You could do a meet-in-the-middle attack.  Run the hash backwards from the state at the end, and fowards from the initial state, then patch up the messed up stuff in the middle block

VIM JAIL:
02:07 <h0twinter> what was vimjail's solution...
02:07 <mxms> h0twinter: python!
02:07 <mxms> (and some other stuff)


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DO THE SURVEY:
02:08 <@L4nL4n> if you get a chance PLEASE answer the survey: https://goo.gl/W06UsG