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    CVE-2009-1888

    The acl_group_override function in smbd/posix_acls.c in smbd in Samba 3.0.x before 3.0.35, 3.1.x and 3.2.x before 3.2.13, and 3.3.x before 3.3.6, when dos filemode is enabled, allows remote attackers to modify access control lists for files via vectors related to read access to uninitialized memory.

    Published:Jun 23, 2009
    Last Modified:Apr 23, 2026
    EPS:Jun 24, 2009
    EPSS Score:0.05392
    CVSS Score:5.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Extras
    Vendor
    Samba
    Product
    Samba

    Exploits

    http://www.samba.org/samba/ftp/patches/security/samba-3.0.34-CVE-2009-1888.patchhttp://www.securityfocus.com/bid/35472http://www.samba.org/samba/ftp/patches/security/samba-3.0.34-CVE-2009-1888.patchhttp://www.securityfocus.com/bid/35472

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
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    References

    http://secunia.com/advisories/35539
    http://secunia.com/advisories/35573
    http://secunia.com/advisories/35606
    http://secunia.com/advisories/36918
    http://wiki.rpath.com/Advisories:rPSA-2009-0145
    http://www.debian.org/security/2009/dsa-1823
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:196
    http://www.samba.org/samba/ftp/patches/security/samba-3.0.34-CVE-2009-1888.patch
    http://www.samba.org/samba/ftp/patches/security/samba-3.2.12-CVE-2009-1888.patch
    http://www.samba.org/samba/ftp/patches/security/samba-3.3.5-CVE-2009-1888.patch
    http://www.samba.org/samba/security/CVE-2009-1888.html
    http://www.securityfocus.com/archive/1/507856/100/0/threaded
    http://www.securityfocus.com/bid/35472
    http://www.securitytracker.com/id?1022442
    http://www.slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.521591
    http://www.ubuntu.com/usn/USN-839-1
    http://www.vupen.com/english/advisories/2009/1664
    https://exchange.xforce.ibmcloud.com/vulnerabilities/51327
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10790
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7292
    http://secunia.com/advisories/35539
    http://secunia.com/advisories/35573
    http://secunia.com/advisories/35606
    http://secunia.com/advisories/36918
    http://wiki.rpath.com/Advisories:rPSA-2009-0145
    http://www.debian.org/security/2009/dsa-1823
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:196
    http://www.samba.org/samba/ftp/patches/security/samba-3.0.34-CVE-2009-1888.patch
    http://www.samba.org/samba/ftp/patches/security/samba-3.2.12-CVE-2009-1888.patch
    http://www.samba.org/samba/ftp/patches/security/samba-3.3.5-CVE-2009-1888.patch
    http://www.samba.org/samba/security/CVE-2009-1888.html
    http://www.securityfocus.com/archive/1/507856/100/0/threaded
    http://www.securityfocus.com/bid/35472
    http://www.securitytracker.com/id?1022442
    http://www.slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.521591
    http://www.ubuntu.com/usn/USN-839-1
    http://www.vupen.com/english/advisories/2009/1664
    https://exchange.xforce.ibmcloud.com/vulnerabilities/51327
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10790
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7292

    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