CVE-2007-4138

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    CVE-2007-4138

    Published: 14 Sept 2007Last Modified: 10 Apr 2026

    Summary:

    Details: The Winbind nss_info extension (nsswitch/idmap_ad.c) in idmap_ad.so in Samba 3.0.25 through 3.0.25c, when the "winbind nss info" option is set to rfc2307 or sfu, grants all local users the privileges of gid 0 when the (1) RFC2307 or (2) Services for UNIX (SFU) primary group attribute is not defined.

    References: http://secunia.com/advisories/26764, http://secunia.com/advisories/26776, http://secunia.com/advisories/26795, http://secunia.com/advisories/26834, http://www.vupen.com/english/advisories/2007/3120, http://secunia.com/advisories/26764, http://www.securityfocus.com/bid/25636, http://docs.info.apple.com/article.html?artnum=307179, http://securityreason.com/securityalert/3135, http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.419439, http://www.redhat.com/support/errata/RHSA-2007-1016.html, http://www.redhat.com/support/errata/RHSA-2007-1017.html, http://www.samba.org/samba/security/CVE-2007-4138.html, http://www.securityfocus.com/archive/1/479078/100/0/threaded, http://www.securitytracker.com/id?1018681, http://www.us-cert.gov/cas/techalerts/TA07-352A.html, https://exchange.xforce.ibmcloud.com/vulnerabilities/36560, https://issues.rpath.com/browse/RPL-1705, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10375, https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00201.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