Detalji

Objavljena je nadogradnja programskog paketa Fail2ban, inačice namijenjene radu na operacijskom sustavu Fedora 15. Riječ je o alatu koji pretražuje dnevničke zapise i zabranjuje pristup IP (eng. Internet Protocol) adresama s kojih je uočen veći broj neuspjelih prijava ili neke druge nedozvoljene radnje. Nadogradnja ispravlja ranjivosti u mehanizmu obrade i rada s tmp datotekama, dodaje podršku za mehanizam "inotify", ispravlja konflikte između korištenih adresa i domena te dodaje parametar "%ghost" u datoteke koje se nalaze u "/var/run" te "/var/lock". Zlonamjerni korisnici neke su od ispravljenih nedostataka mogli iskoristiti za rušenje aplikacije. Savjetuje se primjena nadogradnje.

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Fedora Update Notification
FEDORA-2011-5135
2011-04-10 01:40:55
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Name        : fail2ban
Product     : Fedora 15
Version     : 0.8.4
Release     : 27.fc15
URL         : http://fail2ban.sourceforge.net/
Summary     : Ban IPs that make too many password failures
Description :
Fail2ban scans log files like /var/log/pwdfail or
/var/log/apache/error_log and bans IP that makes too many password
failures. It updates firewall rules to reject the IP address.

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Update Information:

fail2ban used predictable /tmp files which a local user can allocate before
fail2ban does. All tmp files have been moved to /var/lib/fail2ban. This also
helps with selinux policies.

Another security related fix is that fail2ban defaulted to gamin which
conflicts with selinux, so users had to typically choose between fail2ban and
selinux. fail2ban now defaults to inotify (thanks to Jonathan Underwood).

There are also some minor bugs fixed:
* tmpfiles.d support for tmpfs /var/run
* example mail domains changed to normalized example.com.
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References:

  [ 1 ] Bug #669966 - fail2ban can't work with tmp files
        https://bugzilla.redhat.com/show_bug.cgi?id=669966
  [ 2 ] Bug #669965 - unsafe use of /tmp
        https://bugzilla.redhat.com/show_bug.cgi?id=669965
  [ 3 ] Bug #551895 - RFE: Add patch to enable inotify support
        https://bugzilla.redhat.com/show_bug.cgi?id=551895
  [ 4 ] Bug #552947 - RFE: conform fail2ban example email sending domains to
RFC 2606
        https://bugzilla.redhat.com/show_bug.cgi?id=552947
  [ 5 ] Bug #658849 - Please change fail2ban to not use gam_server
        https://bugzilla.redhat.com/show_bug.cgi?id=658849
  [ 6 ] Bug #656584 - Please Update Spec File to use %ghost on files in
/var/run and /var/lock
        https://bugzilla.redhat.com/show_bug.cgi?id=656584
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This update can be installed with the "yum" update program.  Use 
su -c 'yum update fail2ban' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.

All packages are signed with the Fedora Project GPG key.  More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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