USN-5121-1

Source
https://ubuntu.com/security/notices/USN-5121-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5121-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5121-1
Upstream
Related
Published
2021-10-22T05:47:18Z
Modified
2026-02-10T04:42:21Z
Summary
mailman vulnerabilities
Details

Andre Protas, Richard Cloke, and Andy Nuttall discovered that Mailman did not properly associate cross-site request forgery (CSRF) tokens to specific accounts. A remote attacker could use this to perform a CSRF attack to gain access to another account. (CVE-2021-42097)

Andre Protas, Richard Cloke, and Andy Nuttall discovered that Mailman's cross-site request forgery (CSRF) tokens for the options page are derived from the admin password. A remote attacker could possibly use this to assist in performing a brute force attack against the admin password. (CVE-2021-42096)

References

Affected packages

Ubuntu:Pro:16.04:LTS / mailman

Package

Name
mailman
Purl
pkg:deb/ubuntu/mailman@1:2.1.20-1ubuntu0.6+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.1.20-1ubuntu0.6+esm1

Affected versions

1:2.*
1:2.1.20-1
1:2.1.20-1ubuntu0.1
1:2.1.20-1ubuntu0.3
1:2.1.20-1ubuntu0.4
1:2.1.20-1ubuntu0.5
1:2.1.20-1ubuntu0.6

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "mailman",
            "binary_version": "1:2.1.20-1ubuntu0.6+esm1"
        }
    ]
}

Database specific

cves_map
{
    "cves": [
        {
            "id": "CVE-2021-42096",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2021-42097",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5121-1.json"

Ubuntu:18.04:LTS / mailman

Package

Name
mailman
Purl
pkg:deb/ubuntu/mailman@1:2.1.26-1ubuntu0.4?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.1.26-1ubuntu0.4

Affected versions

1:2.*
1:2.1.23-1
1:2.1.24-1
1:2.1.25-1
1:2.1.26-1
1:2.1.26-1ubuntu0.1
1:2.1.26-1ubuntu0.2
1:2.1.26-1ubuntu0.3

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "mailman",
            "binary_version": "1:2.1.26-1ubuntu0.4"
        }
    ]
}

Database specific

cves_map
{
    "cves": [
        {
            "id": "CVE-2021-42096",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2021-42097",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:18.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5121-1.json"