UBUNTU-CVE-2015-5252

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2015-5252
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-5252.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2015-5252
Upstream
Downstream
Related
Published
2015-12-16T00:00:00Z
Modified
2025-09-08T16:43:25Z
Severity
  • 7.2 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N CVSS Calculator
  • 7.2 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

vfs.c in smbd in Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, when share names with certain substring relationships exist, allows remote attackers to bypass intended file-access restrictions via a symlink that points outside of a share.

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 

{
    "binaries": [
        {
            "binary_version": "2:4.1.6+dfsg-1ubuntu2.14.04.11",
            "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"
        }
    ],
    "availability": "No subscription required"
}

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 

{
    "binaries": [
        {
            "binary_version": "2:4.3.3+dfsg-1ubuntu1",
            "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"
        }
    ],
    "availability": "No subscription required"
}