CVE-2009-1273

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    CVE-2009-1273

    Published: 8 Apr 2009Last Modified: 10 Apr 2026

    Summary:

    Details: pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the username is valid or invalid, which makes it easier for remote attackers to enumerate usernames.

    References: http://secunia.com/advisories/34536, http://secunia.com/advisories/34986, http://bugs.gentoo.org/show_bug.cgi?id=263579, https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00116.html, https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00145.html

    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