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Message-ID: <55634FFA.7000203@gmail.com>
Date: Mon, 25 May 2015 18:38:18 +0200
From: Marek Wrzosek <marek.wrzosek@...il.com>
To: john-users@...ts.openwall.com
Subject: Using loopback with regex could cause crash
Hi
If john.pot contains e.g. "." and john is started with --loopback
--rules=none --regex=case=alpha:case="\0" (--regex="\0" doesn't crash
with the same john.pot) then this could happen:
buf=[sS][eE][xX][iI][sS]
buf=0
buf=[jJ]
buf=[mM]
buf=[pP]
buf=2
buf=9
buf=[bB]
buf=[cC]
buf=[dD]
buf=[lL]
buf=[gG]
buf=[wW]
buf=.
error: syntax error, unexpected $end
Error, invalid regex expression. John exiting now base_word=. Regex= .
I think that forbidden characters should be escaped with \ or in []
brackets, don't you think? First would require changing john, but latter
maybe only changing regex_alphabets.conf e.g. by adding ".=[.]" line.
Best Regards
--
Marek Wrzosek
marek.wrzosek@...il.com
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