CVE-2006-0883

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    CVE-2006-0883

    Published: 7 Mar 2006Last Modified: 10 Apr 2026

    Summary:

    Details: OpenSSH on FreeBSD 5.3 and 5.4, when used with OpenPAM, does not properly handle when a forked child process terminates during PAM authentication, which allows remote attackers to cause a denial of service (client connection refusal) by connecting multiple times to the SSH server, waiting for the password prompt, then disconnecting.

    References: ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:09.openssh.asc, http://www.vupen.com/english/advisories/2006/0805, http://securitytracker.com/id?1015706, http://www.securityfocus.com/bid/16892, http://bugzilla.mindrot.org/show_bug.cgi?id=839, http://securityreason.com/securityalert/520, http://www.osvdb.org/23797, https://exchange.xforce.ibmcloud.com/vulnerabilities/25116

    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