USN-4975-1

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Source
https://ubuntu.com/security/notices/USN-4975-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4975-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4975-1
Upstream
Related
Published
2021-06-02T10:49:04.453118Z
Modified
2025-10-13T04:35:31Z
Summary
python-django vulnerabilities
Details

It was discovered that the Django URLValidator function incorrectly handled newlines and tabs. A remote attacker could possibly use this issue to perform a header injection attack. This issue only affected Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-32052)

Rasmus Lerchedahl Petersen and Rasmus Wriedt Larsen discovered that Django incorrectly handled path sanitation in admindocs. A remote attacker could possibly use this issue to determine the existence of arbitrary files and in certain configurations obtain their contents. (CVE-2021-33203)

It was discovered that Django incorrectly handled IPv4 addresses with leading zeros. A remote attacker could possibly use this issue to perform a wide variety of attacks, including bypassing certain access restrictions. (CVE-2021-33571)

References

Affected packages

Ubuntu:18.04:LTS / python-django

Package

Name
python-django
Purl
pkg:deb/ubuntu/python-django@1:1.11.11-1ubuntu1.14?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.11.11-1ubuntu1.14

Affected versions

1:1.*

1:1.11.4-1ubuntu1
1:1.11.6-1ubuntu1
1:1.11.9-1ubuntu1
1:1.11.11-1ubuntu1
1:1.11.11-1ubuntu1.1
1:1.11.11-1ubuntu1.2
1:1.11.11-1ubuntu1.3
1:1.11.11-1ubuntu1.4
1:1.11.11-1ubuntu1.5
1:1.11.11-1ubuntu1.6
1:1.11.11-1ubuntu1.7
1:1.11.11-1ubuntu1.8
1:1.11.11-1ubuntu1.9
1:1.11.11-1ubuntu1.10
1:1.11.11-1ubuntu1.11
1:1.11.11-1ubuntu1.12
1:1.11.11-1ubuntu1.13

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:1.11.11-1ubuntu1.14",
            "binary_name": "python-django"
        },
        {
            "binary_version": "1:1.11.11-1ubuntu1.14",
            "binary_name": "python-django-common"
        },
        {
            "binary_version": "1:1.11.11-1ubuntu1.14",
            "binary_name": "python3-django"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2021-33203"
        }
    ]
}

Ubuntu:20.04:LTS / python-django

Package

Name
python-django
Purl
pkg:deb/ubuntu/python-django@2:2.2.12-1ubuntu0.7?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:2.2.12-1ubuntu0.7

Affected versions

1:1.*

1:1.11.22-1ubuntu1

2:2.*

2:2.2.6-1ubuntu1
2:2.2.9-2ubuntu1
2:2.2.10-1
2:2.2.10-1ubuntu1
2:2.2.11-1
2:2.2.12-1
2:2.2.12-1ubuntu0.1
2:2.2.12-1ubuntu0.2
2:2.2.12-1ubuntu0.3
2:2.2.12-1ubuntu0.4
2:2.2.12-1ubuntu0.5
2:2.2.12-1ubuntu0.6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2:2.2.12-1ubuntu0.7",
            "binary_name": "python3-django"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2021-32052"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2021-33203"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2021-33571"
        }
    ]
}