USN-4268-1

Source
https://ubuntu.com/security/notices/USN-4268-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4268-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4268-1
Upstream
Related
Published
2020-02-05T13:48:24.592451Z
Modified
2025-10-13T04:35:04Z
Summary
OpenSMTPD vulnerability
Details

It was discovered that OpenSMTPD incorrectly verified the sender's or receiver's e-mail addresses under certain conditions. An attacker could use this vulnerability to execute arbitrary commands as root.

References

Affected packages

Ubuntu:18.04:LTS / opensmtpd

Package

Name
opensmtpd
Purl
pkg:deb/ubuntu/opensmtpd@6.0.3p1-1ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0.3p1-1ubuntu0.1

Affected versions

6.*

6.0.2p1-2build1
6.0.3p1-1
6.0.3p1-1build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "opensmtpd",
            "binary_version": "6.0.3p1-1ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-7247",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ]
}