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CVE request: fail2ban 0.8.8 fixes an input variable quoting flaw on <matches> content
From: Vincent Danen <vdanen () redhat com>
Date: Mon, 17 Dec 2012 08:41:22 -0700

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

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).



Vincent Danen / Red Hat Security Response Team

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