UBUNTU-CVE-2021-20208

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Source
https://ubuntu.com/security/CVE-2021-20208
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-20208.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-20208
Related
Published
2021-04-19T22:15:00Z
Modified
2024-10-15T14:07:58Z
Severity
  • 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N CVSS Calculator
Summary
[none]
Details

A flaw was found in cifs-utils in versions before 6.13. A user when mounting a krb5 CIFS file system from within a container can use Kerberos credentials of the host. The highest threat from this vulnerability is to data confidentiality and integrity.

References

Affected packages

Ubuntu:Pro:14.04:LTS / cifs-utils

Package

Name
cifs-utils
Purl
pkg:deb/ubuntu/cifs-utils?arch=src?distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2:6.*

2:6.0-1ubuntu2

Ecosystem specific 

{
    "ubuntu_priority": "low"
}

Ubuntu:Pro:16.04:LTS / cifs-utils

Package

Name
cifs-utils
Purl
pkg:deb/ubuntu/cifs-utils?arch=src?distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2:6.*

2:6.4-1ubuntu1
2:6.4-1ubuntu1.1

Ecosystem specific 

{
    "ubuntu_priority": "low"
}

Ubuntu:18.04:LTS / cifs-utils

Package

Name
cifs-utils
Purl
pkg:deb/ubuntu/cifs-utils?arch=src?distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:6.8-1ubuntu1.2

Affected versions

2:6.*

2:6.7-1
2:6.8-1
2:6.8-1ubuntu1
2:6.8-1ubuntu1.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "low",
    "binaries": [
        {
            "binary_version": "2:6.8-1ubuntu1.2",
            "binary_name": "cifs-utils"
        },
        {
            "binary_version": "2:6.8-1ubuntu1.2",
            "binary_name": "cifs-utils-dbgsym"
        }
    ]
}

Ubuntu:20.04:LTS / cifs-utils

Package

Name
cifs-utils
Purl
pkg:deb/ubuntu/cifs-utils?arch=src?distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:6.9-1ubuntu0.2

Affected versions

2:6.*

2:6.9-0ubuntu1
2:6.9-1
2:6.9-1ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "low",
    "binaries": [
        {
            "binary_version": "2:6.9-1ubuntu0.2",
            "binary_name": "cifs-utils"
        },
        {
            "binary_version": "2:6.9-1ubuntu0.2",
            "binary_name": "cifs-utils-dbgsym"
        }
    ]
}

Ubuntu:22.04:LTS / cifs-utils

Package

Name
cifs-utils
Purl
pkg:deb/ubuntu/cifs-utils?arch=src?distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:6.14-1build1

Affected versions

2:6.*

2:6.11-3.1
2:6.14-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "low",
    "binaries": [
        {
            "binary_version": "2:6.14-1build1",
            "binary_name": "cifs-utils"
        },
        {
            "binary_version": "2:6.14-1build1",
            "binary_name": "cifs-utils-dbgsym"
        }
    ]
}