UBUNTU-CVE-2020-28018

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Source

https://ubuntu.com/security/CVE-2020-28018

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28018.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-28018

Related

Published

2021-05-04T13:30:00Z

Modified

2025-01-13T10:22:19Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

Details

Exim 4 before 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenSSL.

References

Affected packages

Ubuntu:18.04:LTS / exim4

Package

Name: exim4
Purl: pkg:deb/ubuntu/exim4@4.90.1-1ubuntu1.8?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.90.1-1ubuntu1.8

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

4.90.1-1ubuntu1.5

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "exim4",
            "binary_version": "4.90.1-1ubuntu1.8"
        },
        {
            "binary_name": "exim4-base",
            "binary_version": "4.90.1-1ubuntu1.8"
        },
        {
            "binary_name": "exim4-base-dbgsym",
            "binary_version": "4.90.1-1ubuntu1.8"
        },
        {
            "binary_name": "exim4-config",
            "binary_version": "4.90.1-1ubuntu1.8"
        },
        {
            "binary_name": "exim4-daemon-heavy",
            "binary_version": "4.90.1-1ubuntu1.8"
        },
        {
            "binary_name": "exim4-daemon-heavy-dbgsym",
            "binary_version": "4.90.1-1ubuntu1.8"
        },
        {
            "binary_name": "exim4-daemon-light",
            "binary_version": "4.90.1-1ubuntu1.8"
        },
        {
            "binary_name": "exim4-daemon-light-dbgsym",
            "binary_version": "4.90.1-1ubuntu1.8"
        },
        {
            "binary_name": "exim4-dev",
            "binary_version": "4.90.1-1ubuntu1.8"
        },
        {
            "binary_name": "eximon4",
            "binary_version": "4.90.1-1ubuntu1.8"
        },
        {
            "binary_name": "eximon4-dbgsym",
            "binary_version": "4.90.1-1ubuntu1.8"
        }
    ],
    "ubuntu_priority": "medium",
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / exim4

Package

Name: exim4
Purl: pkg:deb/ubuntu/exim4@4.93-13ubuntu1.5?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.93-13ubuntu1.5

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

4.93-13ubuntu1.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "exim4",
            "binary_version": "4.93-13ubuntu1.5"
        },
        {
            "binary_name": "exim4-base",
            "binary_version": "4.93-13ubuntu1.5"
        },
        {
            "binary_name": "exim4-base-dbgsym",
            "binary_version": "4.93-13ubuntu1.5"
        },
        {
            "binary_name": "exim4-config",
            "binary_version": "4.93-13ubuntu1.5"
        },
        {
            "binary_name": "exim4-daemon-heavy",
            "binary_version": "4.93-13ubuntu1.5"
        },
        {
            "binary_name": "exim4-daemon-heavy-dbgsym",
            "binary_version": "4.93-13ubuntu1.5"
        },
        {
            "binary_name": "exim4-daemon-light",
            "binary_version": "4.93-13ubuntu1.5"
        },
        {
            "binary_name": "exim4-daemon-light-dbgsym",
            "binary_version": "4.93-13ubuntu1.5"
        },
        {
            "binary_name": "exim4-dev",
            "binary_version": "4.93-13ubuntu1.5"
        },
        {
            "binary_name": "eximon4",
            "binary_version": "4.93-13ubuntu1.5"
        },
        {
            "binary_name": "eximon4-dbgsym",
            "binary_version": "4.93-13ubuntu1.5"
        }
    ],
    "ubuntu_priority": "medium",
    "availability": "No subscription required"
}