UBUNTU-CVE-2015-7540

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Source
https://ubuntu.com/security/CVE-2015-7540
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-7540.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2015-7540
Upstream
Downstream
Related
Published
2015-12-16T00:00:00Z
Modified
2025-09-08T16:43:28Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:14.04:LTS / samba

Package

Name
samba
Purl
pkg:deb/ubuntu/samba@2:4.1.6+dfsg-1ubuntu2.14.04.11?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.1.6+dfsg-1ubuntu2.14.04.11

Affected versions

2:3.*

2:3.6.18-1ubuntu3

2:4.*

2:4.0.10+dfsg-4ubuntu2
2:4.0.13+dfsg-1ubuntu1
2:4.1.3+dfsg-2ubuntu2
2:4.1.3+dfsg-2ubuntu3
2:4.1.3+dfsg-2ubuntu4
2:4.1.3+dfsg-2ubuntu5
2:4.1.6+dfsg-1ubuntu1
2:4.1.6+dfsg-1ubuntu2
2:4.1.6+dfsg-1ubuntu2.14.04.1
2:4.1.6+dfsg-1ubuntu2.14.04.2
2:4.1.6+dfsg-1ubuntu2.14.04.3
2:4.1.6+dfsg-1ubuntu2.14.04.4
2:4.1.6+dfsg-1ubuntu2.14.04.5
2:4.1.6+dfsg-1ubuntu2.14.04.7
2:4.1.6+dfsg-1ubuntu2.14.04.8
2:4.1.6+dfsg-1ubuntu2.14.04.9

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnss-winbind",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "libpam-smbpass",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "libpam-winbind",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "libparse-pidl-perl",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "libsmbclient",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "libsmbclient-dev",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "libsmbsharemodes-dev",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "libsmbsharemodes0",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "libwbclient-dev",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "libwbclient0",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "python-samba",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "registry-tools",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "samba",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "samba-common",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "samba-common-bin",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "samba-dev",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "samba-dsdb-modules",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "samba-libs",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "samba-testsuite",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "samba-vfs-modules",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "smbclient",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        },
        {
            "binary_name": "winbind",
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11"
        }
    ]
}

Ubuntu:16.04:LTS / samba

Package

Name
samba
Purl
pkg:deb/ubuntu/samba@2:4.3.3+dfsg-1ubuntu1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.3.3+dfsg-1ubuntu1

Affected versions

2:4.*

2:4.1.17+dfsg-4ubuntu2
2:4.1.20+dfsg-1ubuntu1
2:4.1.20+dfsg-1ubuntu2
2:4.1.20+dfsg-1ubuntu3
2:4.1.20+dfsg-1ubuntu5

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "ctdb",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "libnss-winbind",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "libpam-winbind",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "libparse-pidl-perl",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "libsmbclient",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "libsmbclient-dev",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "libwbclient-dev",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "libwbclient0",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "python-samba",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "registry-tools",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "samba",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "samba-common",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "samba-common-bin",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "samba-dev",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "samba-dsdb-modules",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "samba-libs",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "samba-testsuite",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "samba-vfs-modules",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "smbclient",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        },
        {
            "binary_name": "winbind",
            "binary_version": "2:4.3.3+dfsg-1ubuntu1"
        }
    ]
}