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Message-ID: <50CF54D8.50003@redhat.com>
Date: Mon, 17 Dec 2012 10:22:32 -0700
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: Vincent Danen <vdanen@...hat.com>
Subject: Re: CVE request: fail2ban 0.8.8 fixes an input variable
 quoting flaw on <matches> content

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On 12/17/2012 08:41 AM, Vincent Danen wrote:
> Could a CVE be assigned to this issue please?
> 
> The release notes for fail2ban 0.8.8 indicate:
> 
> * [83109bc] IMPORTANT: escape the content of <matches> (if used in 
> custom action files) since its value could contain arbitrary 
> symbols.  Thanks for discovery go to the NBS System security team
> 
> This could cause issues on the system running fail2ban as it scans
> log files, depending on what content is matched.  There isn't much
> more detail about this issue than what is described above, so I
> think it may largely depend on the type of regexp used (what it
> matches) and the contents of the log file being scanned (whether or
> not an attacher could insert something that could be used in a
> malicious way).
> 
> References:
> 
> https://raw.github.com/fail2ban/fail2ban/master/ChangeLog 
> http://sourceforge.net/mailarchive/message.php?msg_id=30193056 
> https://github.com/fail2ban/fail2ban/commit/83109bc 
> https://bugzilla.redhat.com/show_bug.cgi?id=887914 
> https://bugs.gentoo.org/show_bug.cgi?id=447572
> 

Please use CVE-2012-5642 for this issue.

- -- 
Kurt Seifried Red Hat Security Response Team (SRT)
PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993

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