CVE-2015-3223

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    CVE-2015-3223

    Published: 29 Dec 2015Last Modified: 16 Apr 2026

    Summary:

    Details: 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.

    References: http://www.debian.org/security/2016/dsa-3433, 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://security.gentoo.org/glsa/201612-47, https://www.samba.org/samba/security/CVE-2015-3223.html, https://bugzilla.redhat.com/show_bug.cgi?id=1290287, 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.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html, http://www.securityfocus.com/bid/79731, http://www.securitytracker.com/id/1034493, https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=aa6c27148b9d3f8c1e4fdd5dd46bfecbbd0ca465, https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=ec504dbf69636a554add1f3d5703dd6c3ad450b8

    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
    CVE-2015-3223 | CVE-DB