USN-4931-1

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Source
https://ubuntu.com/security/notices/USN-4931-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4931-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4931-1
Related
Published
2021-05-03T20:44:00.774074Z
Modified
2021-05-03T20:44:00.774074Z
Summary
samba vulnerabilities
Details

Steven French discovered that Samba incorrectly handled ChangeNotify permissions. A remote attacker could possibly use this issue to obtain file name information. (CVE-2020-14318)

Bas Alberts discovered that Samba incorrectly handled certain winbind requests. A remote attacker could possibly use this issue to cause winbind to crash, resulting in a denial of service. (CVE-2020-14323)

Francis Brosnan Blázquez discovered that Samba incorrectly handled certain invalid DNS records. A remote attacker could possibly use this issue to cause the DNS server to crash, resulting in a denial of service. (CVE-2020-14383)

Peter Eriksson discovered that Samba incorrectly handled certain negative idmap cache entries. This issue could result in certain users gaining unauthorized access to files, contrary to expected behaviour. (CVE-2021-20254)

References

Affected packages

Ubuntu:Pro:14.04:LTS / samba

Package

Name
samba
Purl
pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11?arch=src?distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11

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
2:4.3.11+dfsg-0ubuntu0.14.04.7
2:4.3.11+dfsg-0ubuntu0.14.04.8
2:4.3.11+dfsg-0ubuntu0.14.04.9
2:4.3.11+dfsg-0ubuntu0.14.04.10
2:4.3.11+dfsg-0ubuntu0.14.04.11
2:4.3.11+dfsg-0ubuntu0.14.04.12
2:4.3.11+dfsg-0ubuntu0.14.04.13
2:4.3.11+dfsg-0ubuntu0.14.04.14
2:4.3.11+dfsg-0ubuntu0.14.04.16
2:4.3.11+dfsg-0ubuntu0.14.04.17
2:4.3.11+dfsg-0ubuntu0.14.04.19
2:4.3.11+dfsg-0ubuntu0.14.04.20
2:4.3.11+dfsg-0ubuntu0.14.04.20+esm2
2:4.3.11+dfsg-0ubuntu0.14.04.20+esm3
2:4.3.11+dfsg-0ubuntu0.14.04.20+esm4
2:4.3.11+dfsg-0ubuntu0.14.04.20+esm6
2:4.3.11+dfsg-0ubuntu0.14.04.20+esm7
2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8
2:4.3.11+dfsg-0ubuntu0.14.04.20+esm9

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "libwbclient-dev": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba-libs": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "registry-tools": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba-common-bin": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libsmbsharemodes0-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libwbclient0-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libpam-winbind-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libnss-winbind-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba-doc": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libsmbsharemodes0": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba-vfs-modules": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "winbind": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "python-samba-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba-dsdb-modules-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libsmbsharemodes-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba-common-bin-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba-testsuite": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "smbclient-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libsmbclient": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libsmbsharemodes-dev": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libsmbclient-dev": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libwbclient0": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libparse-pidl-perl-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba-dsdb-modules": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "registry-tools-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba-vfs-modules-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "python-samba": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libpam-smbpass-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libsmbclient-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libnss-winbind": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libsmbclient-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba-libs-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba-dbg": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba-testsuite-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba-common": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "winbind-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libpam-winbind": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "smbclient": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libwbclient-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "samba-dev": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libparse-pidl-perl": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11",
            "libpam-smbpass": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11"
        }
    ]
}