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    CVE-2012-5642

    server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified symbols in this content.

    Published:Dec 31, 2012
    Last Modified:Apr 11, 2025
    EPS:Dec 31, 2012
    EPSS Score:0.01644
    CVSS Score:7.5

    Affected Products

    Vendor
    Fail2ban
    Product
    Fail2ban

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-45311 (CVSS 8.8) — Insecure permissions in fail2ban-client v0.11.2 allows attackers with limited sudo privileges to perform arbit…
    CVE-2021-32749 (CVSS 6.1) — fail2ban is a daemon to ban hosts that cause multiple authentication errors. In versions 0.9.7 and prior, 0.10…
    CVE-2009-5023 (CVSS 4.7) — The (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf actions in ac…
    CVE-2013-7177 (CVSS 5) — config/filter.d/cyrus-imap.conf in the cyrus-imap filter in Fail2ban before 0.8.11 allows remote attackers to …
    CVE-2013-7176 (CVSS 5) — config/filter.d/postfix.conf in the postfix filter in Fail2ban before 0.8.11 allows remote attackers to trigge…
    CVE-2013-2178 (CVSS 5) — The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban be…
    CVE-2009-0362 (CVSS 4) — filter.d/wuftpd.conf in Fail2ban 0.8.3 uses an incorrect regular expression that allows remote attackers to ca…
    CVE-2007-4321 (CVSS 6.8) — fail2ban 0.8 and earlier does not properly parse sshd log files, which allows remote attackers to add arbitrar…
    CVE-2006-6302 (CVSS 5) — fail2ban 0.7.4 and earlier does not properly parse sshd log files, which allows remote attackers to add arbitr…

    References

    http://lists.opensuse.org/opensuse-updates/2013-04/msg00001.html
    http://lists.opensuse.org/opensuse-updates/2013-04/msg00002.html
    http://sourceforge.net/mailarchive/message.php?msg_id=30193056
    http://www.mandriva.com/security/advisories?name=MDVSA-2013:078
    http://www.openwall.com/lists/oss-security/2012/12/17/2
    https://bugs.gentoo.org/show_bug.cgi?id=447572
    https://bugzilla.redhat.com/show_bug.cgi?id=887914
    https://github.com/fail2ban/fail2ban/commit/83109bc
    https://raw.github.com/fail2ban/fail2ban/master/ChangeLog
    http://lists.opensuse.org/opensuse-updates/2013-04/msg00001.html
    http://lists.opensuse.org/opensuse-updates/2013-04/msg00002.html
    http://sourceforge.net/mailarchive/message.php?msg_id=30193056
    http://www.mandriva.com/security/advisories?name=MDVSA-2013:078
    http://www.openwall.com/lists/oss-security/2012/12/17/2
    https://bugs.gentoo.org/show_bug.cgi?id=447572
    https://bugzilla.redhat.com/show_bug.cgi?id=887914
    https://github.com/fail2ban/fail2ban/commit/83109bc
    https://raw.github.com/fail2ban/fail2ban/master/ChangeLog

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High