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    CVE-2007-4138

    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.

    Published:Sep 11, 2007
    Last Modified:Apr 23, 2026
    EPS:Sep 14, 2007
    EPSS Score:0.00123
    CVSS Score:6.9

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Samba
    Product
    Samba

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://docs.info.apple.com/article.html?artnum=307179
    http://secunia.com/advisories/26764
    http://secunia.com/advisories/26776
    http://secunia.com/advisories/26795
    http://secunia.com/advisories/26834
    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.securityfocus.com/bid/25636
    http://www.securitytracker.com/id?1018681
    http://www.us-cert.gov/cas/techalerts/TA07-352A.html
    http://www.vupen.com/english/advisories/2007/3120
    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
    http://docs.info.apple.com/article.html?artnum=307179
    http://secunia.com/advisories/26764
    http://secunia.com/advisories/26776
    http://secunia.com/advisories/26795
    http://secunia.com/advisories/26834
    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.securityfocus.com/bid/25636
    http://www.securitytracker.com/id?1018681
    http://www.us-cert.gov/cas/techalerts/TA07-352A.html
    http://www.vupen.com/english/advisories/2007/3120
    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

    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