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    CVE-2015-7540

    The LDAP server in the AD domain controller in Samba 4.x before 4.1.22 does not check return values to ensure successful ASN.1 memory allocation, which allows remote attackers to cause a denial of service (memory consumption and daemon crash) via crafted packets.

    Published:Dec 16, 2015
    Last Modified:Apr 12, 2025
    EPS:Dec 29, 2015
    EPSS Score:0.10967
    CVSS Score:7.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Storage
    Vendor
    Samba
    Product
    Samba

    Exploits

    No exploit reference

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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/msg00033.html
    http://www.debian.org/security/2016/dsa-3433
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
    http://www.securityfocus.com/bid/79736
    http://www.securitytracker.com/id/1034492
    http://www.ubuntu.com/usn/USN-2855-1
    http://www.ubuntu.com/usn/USN-2855-2
    https://bugzilla.redhat.com/show_bug.cgi?id=1288451
    https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=530d50a1abdcdf4d1775652d4c456c1274d83d8d
    https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=9d989c9dd7a5b92d0c5d65287935471b83b6e884
    https://security.gentoo.org/glsa/201612-47
    https://www.samba.org/samba/security/CVE-2015-7540.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/msg00033.html
    http://www.debian.org/security/2016/dsa-3433
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
    http://www.securityfocus.com/bid/79736
    http://www.securitytracker.com/id/1034492
    http://www.ubuntu.com/usn/USN-2855-1
    http://www.ubuntu.com/usn/USN-2855-2
    https://bugzilla.redhat.com/show_bug.cgi?id=1288451
    https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=530d50a1abdcdf4d1775652d4c456c1274d83d8d
    https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=9d989c9dd7a5b92d0c5d65287935471b83b6e884
    https://security.gentoo.org/glsa/201612-47
    https://www.samba.org/samba/security/CVE-2015-7540.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