USN-4366-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-4366-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4366-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4366-1
Upstream
Related
Published
2020-05-19T12:55:02.137618Z
Modified
2025-10-13T04:35:08Z
Summary
exim4 vulnerability
Details

It was discovered that Exim incorrectly handled certain inputs. An remote attacker could possibly use this issue to access sensitive information or authentication bypass.

References

Affected packages

Ubuntu:Pro:14.04:LTS / exim4

Package

Name
exim4
Purl
pkg:deb/ubuntu/exim4@4.82-3ubuntu2.4+esm2?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.82-3ubuntu2.4+esm2

Affected versions

4.*

4.80-7ubuntu3
4.80-7ubuntu4
4.80-9ubuntu1
4.80-9ubuntu2
4.82-3ubuntu1
4.82-3ubuntu2
4.82-3ubuntu2.1
4.82-3ubuntu2.2
4.82-3ubuntu2.3
4.82-3ubuntu2.4
4.82-3ubuntu2.4+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "exim4",
            "binary_version": "4.82-3ubuntu2.4+esm2"
        },
        {
            "binary_name": "exim4-base",
            "binary_version": "4.82-3ubuntu2.4+esm2"
        },
        {
            "binary_name": "exim4-config",
            "binary_version": "4.82-3ubuntu2.4+esm2"
        },
        {
            "binary_name": "exim4-daemon-heavy",
            "binary_version": "4.82-3ubuntu2.4+esm2"
        },
        {
            "binary_name": "exim4-daemon-light",
            "binary_version": "4.82-3ubuntu2.4+esm2"
        },
        {
            "binary_name": "exim4-dev",
            "binary_version": "4.82-3ubuntu2.4+esm2"
        },
        {
            "binary_name": "eximon4",
            "binary_version": "4.82-3ubuntu2.4+esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4366-1.json"

cves_map

{
    "ecosystem": "Ubuntu:Pro:14.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-12783",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:16.04:LTS / exim4

Package

Name
exim4
Purl
pkg:deb/ubuntu/exim4@4.86.2-2ubuntu2.6?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.86.2-2ubuntu2.6

Affected versions

4.*

4.86-3ubuntu1
4.86-7ubuntu1
4.86-7ubuntu2
4.86-7ubuntu3
4.86.2-2ubuntu1
4.86.2-2ubuntu2
4.86.2-2ubuntu2.1
4.86.2-2ubuntu2.2
4.86.2-2ubuntu2.3
4.86.2-2ubuntu2.4
4.86.2-2ubuntu2.5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "exim4",
            "binary_version": "4.86.2-2ubuntu2.6"
        },
        {
            "binary_name": "exim4-base",
            "binary_version": "4.86.2-2ubuntu2.6"
        },
        {
            "binary_name": "exim4-config",
            "binary_version": "4.86.2-2ubuntu2.6"
        },
        {
            "binary_name": "exim4-daemon-heavy",
            "binary_version": "4.86.2-2ubuntu2.6"
        },
        {
            "binary_name": "exim4-daemon-light",
            "binary_version": "4.86.2-2ubuntu2.6"
        },
        {
            "binary_name": "exim4-dev",
            "binary_version": "4.86.2-2ubuntu2.6"
        },
        {
            "binary_name": "eximon4",
            "binary_version": "4.86.2-2ubuntu2.6"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4366-1.json"

cves_map

{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-12783",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:18.04:LTS / exim4

Package

Name
exim4
Purl
pkg:deb/ubuntu/exim4@4.90.1-1ubuntu1.5?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.90.1-1ubuntu1.5

Affected versions

4.*

4.89-5ubuntu1
4.89-9ubuntu1
4.89-9ubuntu2
4.89-9ubuntu3
4.89-9ubuntu4
4.90.1-1ubuntu1
4.90.1-1ubuntu1.1
4.90.1-1ubuntu1.2
4.90.1-1ubuntu1.3
4.90.1-1ubuntu1.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "exim4",
            "binary_version": "4.90.1-1ubuntu1.5"
        },
        {
            "binary_name": "exim4-base",
            "binary_version": "4.90.1-1ubuntu1.5"
        },
        {
            "binary_name": "exim4-config",
            "binary_version": "4.90.1-1ubuntu1.5"
        },
        {
            "binary_name": "exim4-daemon-heavy",
            "binary_version": "4.90.1-1ubuntu1.5"
        },
        {
            "binary_name": "exim4-daemon-light",
            "binary_version": "4.90.1-1ubuntu1.5"
        },
        {
            "binary_name": "exim4-dev",
            "binary_version": "4.90.1-1ubuntu1.5"
        },
        {
            "binary_name": "eximon4",
            "binary_version": "4.90.1-1ubuntu1.5"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4366-1.json"

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-12783",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:20.04:LTS / exim4

Package

Name
exim4
Purl
pkg:deb/ubuntu/exim4@4.93-13ubuntu1.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.93-13ubuntu1.1

Affected versions

4.*

4.92.1-1ubuntu3
4.92.1-1ubuntu4
4.93~RC2-1ubuntu1
4.93-9ubuntu1
4.93-11ubuntu1
4.93-12ubuntu1
4.93-13ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "exim4",
            "binary_version": "4.93-13ubuntu1.1"
        },
        {
            "binary_name": "exim4-base",
            "binary_version": "4.93-13ubuntu1.1"
        },
        {
            "binary_name": "exim4-config",
            "binary_version": "4.93-13ubuntu1.1"
        },
        {
            "binary_name": "exim4-daemon-heavy",
            "binary_version": "4.93-13ubuntu1.1"
        },
        {
            "binary_name": "exim4-daemon-light",
            "binary_version": "4.93-13ubuntu1.1"
        },
        {
            "binary_name": "exim4-dev",
            "binary_version": "4.93-13ubuntu1.1"
        },
        {
            "binary_name": "eximon4",
            "binary_version": "4.93-13ubuntu1.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4366-1.json"

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-12783",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}