USN-3242-2

See a problem?
Please try reporting it to the source first.

Source

https://ubuntu.com/security/notices/USN-3242-2

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3242-2.json

JSON Data

https://api.osv.dev/v1/vulns/USN-3242-2

Published

2017-03-30T17:32:45Z

Modified

2026-04-22T09:34:24.103217Z

Summary

samba regression

Details

USN-3242-1 fixed a vulnerability in Samba. The upstream fix introduced a regression when Samba is configured to disable following symbolic links.

This update fixes the problem.

Original advisory details:

Jann Horn discovered that Samba incorrectly handled symlinks. An authenticated remote attacker could use this issue to access files on the server outside of the exported directories.

References

Affected packages

Ubuntu:14.04:LTS / samba

Package

Name: samba
Purl: pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.14.04.7?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2:4.3.11+dfsg-0ubuntu0.14.04.7

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

2:4.1.6+dfsg-1ubuntu2.14.04.11

2:4.1.6+dfsg-1ubuntu2.14.04.12

2:4.1.6+dfsg-1ubuntu2.14.04.13

2:4.3.8+dfsg-0ubuntu0.14.04.2

2:4.3.9+dfsg-0ubuntu0.14.04.1

2:4.3.9+dfsg-0ubuntu0.14.04.3

2:4.3.11+dfsg-0ubuntu0.14.04.1

2:4.3.11+dfsg-0ubuntu0.14.04.2

2:4.3.11+dfsg-0ubuntu0.14.04.3

2:4.3.11+dfsg-0ubuntu0.14.04.4

2:4.3.11+dfsg-0ubuntu0.14.04.6

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "libnss-winbind"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "libpam-smbpass"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "libpam-winbind"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "libparse-pidl-perl"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "libsmbclient"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "libsmbsharemodes0"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "libwbclient0"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "python-samba"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "registry-tools"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "samba"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "samba-common"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "samba-common-bin"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "samba-dsdb-modules"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "samba-libs"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "samba-testsuite"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "samba-vfs-modules"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "smbclient"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.7",
            "binary_name": "winbind"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:14.04:LTS",
    "cves": []
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3242-2.json"

Ubuntu:16.04:LTS / samba

Package

Name: samba
Purl: pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.16.04.6?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2:4.3.11+dfsg-0ubuntu0.16.04.6

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

2:4.3.3+dfsg-1ubuntu1

2:4.3.3+dfsg-1ubuntu2

2:4.3.3+dfsg-1ubuntu3

2:4.3.6+dfsg-1ubuntu1

2:4.3.8+dfsg-0ubuntu1

2:4.3.9+dfsg-0ubuntu0.16.04.1

2:4.3.9+dfsg-0ubuntu0.16.04.2

2:4.3.9+dfsg-0ubuntu0.16.04.3

2:4.3.11+dfsg-0ubuntu0.16.04.1

2:4.3.11+dfsg-0ubuntu0.16.04.3

2:4.3.11+dfsg-0ubuntu0.16.04.5

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "ctdb"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "libnss-winbind"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "libpam-winbind"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "libparse-pidl-perl"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "libsmbclient"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "libwbclient0"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "python-samba"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "registry-tools"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "samba"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "samba-common"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "samba-common-bin"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "samba-dsdb-modules"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "samba-libs"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "samba-testsuite"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "samba-vfs-modules"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "smbclient"
        },
        {
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.6",
            "binary_name": "winbind"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": []
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3242-2.json"