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    CVE-2015-3223

    The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles certain zero values, which allows remote attackers to cause a denial of service (infinite loop) via crafted packets.

    Published:Dec 16, 2015
    Last Modified:Apr 12, 2025
    EPS:Dec 29, 2015
    EPSS Score:0.05595
    CVSS Score:5.3

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Storage
    Vendor
    Samba
    Product
    Samba

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html
    http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html
    http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html
    http://www.debian.org/security/2016/dsa-3433
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
    http://www.securityfocus.com/bid/79731
    http://www.securitytracker.com/id/1034493
    http://www.ubuntu.com/usn/USN-2855-1
    http://www.ubuntu.com/usn/USN-2855-2
    http://www.ubuntu.com/usn/USN-2856-1
    https://bugzilla.redhat.com/show_bug.cgi?id=1290287
    https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=aa6c27148b9d3f8c1e4fdd5dd46bfecbbd0ca465
    https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=ec504dbf69636a554add1f3d5703dd6c3ad450b8
    https://security.gentoo.org/glsa/201612-47
    https://www.samba.org/samba/security/CVE-2015-3223.html
    http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html
    http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html
    http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html
    http://www.debian.org/security/2016/dsa-3433
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
    http://www.securityfocus.com/bid/79731
    http://www.securitytracker.com/id/1034493
    http://www.ubuntu.com/usn/USN-2855-1
    http://www.ubuntu.com/usn/USN-2855-2
    http://www.ubuntu.com/usn/USN-2856-1
    https://bugzilla.redhat.com/show_bug.cgi?id=1290287
    https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=aa6c27148b9d3f8c1e4fdd5dd46bfecbbd0ca465
    https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=ec504dbf69636a554add1f3d5703dd6c3ad450b8
    https://security.gentoo.org/glsa/201612-47
    https://www.samba.org/samba/security/CVE-2015-3223.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