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Date: Tue, 8 Dec 2015 22:54:38 +0100
From: Hanno Böck <hanno@...eck.de>
To: john-dev@...ts.openwall.com
Subject: double free in ssh2john
Hi,
There is a double free error in ssh2john if you run it against a file
that contains two ssl certificate blocks.
Just take a random certificate, add it twice to a file:
cat test.crt test.crt > out.crt
and run
ssh2john out.crt
Seems there is a loop that is freeing all openssl objects at the end of
the loop and then reusing the same objects and freeing them for every
iteration of the loop.
--
Hanno Böck
http://hboeck.de/
mail/jabber: hanno@...eck.de
GPG: BBB51E42
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