CVE-2012-5642

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    CVE-2012-5642

    Published: 31 Dec 2012Last Modified: 10 Apr 2026

    Summary:

    Details: 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.

    References: http://www.mandriva.com/security/advisories?name=MDVSA-2013:078, https://github.com/fail2ban/fail2ban/commit/83109bc, https://github.com/fail2ban/fail2ban/commit/83109bc, https://bugzilla.redhat.com/show_bug.cgi?id=887914, 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.openwall.com/lists/oss-security/2012/12/17/2, https://bugs.gentoo.org/show_bug.cgi?id=447572, https://raw.github.com/fail2ban/fail2ban/master/ChangeLog

    Affected packages

    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