USN-6939-1

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Source

https://ubuntu.com/security/notices/USN-6939-1

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6939-1.json

JSON Data

https://api.test.osv.dev/v1/vulns/USN-6939-1

Related

Published

2024-07-31T18:40:26.595992Z

Modified

2024-07-31T18:40:26.595992Z

Summary

exim4 vulnerability

Details

Phillip Szelat discovered that Exim misparses multiline MIME header filenames. A remote attacker could use this issue to bypass a MIME filename extension-blocking protection mechanism and possibly deliver executable attachments to the mailboxes of end users.

References

Affected packages

Ubuntu:Pro:16.04:LTS / exim4

Package

Name: exim4
Purl: pkg:deb/ubuntu/exim4@4.86.2-2ubuntu2.6+esm8?arch=source&distro=esm-infra/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.86.2-2ubuntu2.6+esm8

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

4.86.2-2ubuntu2.6

4.86.2-2ubuntu2.6+esm1

4.86.2-2ubuntu2.6+esm2

4.86.2-2ubuntu2.6+esm4

4.86.2-2ubuntu2.6+esm5

4.86.2-2ubuntu2.6+esm6

4.86.2-2ubuntu2.6+esm7

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "exim4",
            "binary_version": "4.86.2-2ubuntu2.6+esm8"
        },
        {
            "binary_name": "exim4-base",
            "binary_version": "4.86.2-2ubuntu2.6+esm8"
        },
        {
            "binary_name": "exim4-base-dbgsym",
            "binary_version": "4.86.2-2ubuntu2.6+esm8"
        },
        {
            "binary_name": "exim4-config",
            "binary_version": "4.86.2-2ubuntu2.6+esm8"
        },
        {
            "binary_name": "exim4-daemon-heavy",
            "binary_version": "4.86.2-2ubuntu2.6+esm8"
        },
        {
            "binary_name": "exim4-daemon-heavy-dbg",
            "binary_version": "4.86.2-2ubuntu2.6+esm8"
        },
        {
            "binary_name": "exim4-daemon-heavy-dbgsym",
            "binary_version": "4.86.2-2ubuntu2.6+esm8"
        },
        {
            "binary_name": "exim4-daemon-light",
            "binary_version": "4.86.2-2ubuntu2.6+esm8"
        },
        {
            "binary_name": "exim4-daemon-light-dbg",
            "binary_version": "4.86.2-2ubuntu2.6+esm8"
        },
        {
            "binary_name": "exim4-daemon-light-dbgsym",
            "binary_version": "4.86.2-2ubuntu2.6+esm8"
        },
        {
            "binary_name": "exim4-dbg",
            "binary_version": "4.86.2-2ubuntu2.6+esm8"
        },
        {
            "binary_name": "exim4-dev",
            "binary_version": "4.86.2-2ubuntu2.6+esm8"
        },
        {
            "binary_name": "eximon4",
            "binary_version": "4.86.2-2ubuntu2.6+esm8"
        },
        {
            "binary_name": "eximon4-dbgsym",
            "binary_version": "4.86.2-2ubuntu2.6+esm8"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / exim4

Package

Name: exim4
Purl: pkg:deb/ubuntu/exim4@4.90.1-1ubuntu1.10+esm5?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.90.1-1ubuntu1.10+esm5

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

4.90.1-1ubuntu1.8

4.90.1-1ubuntu1.9

4.90.1-1ubuntu1.10

4.90.1-1ubuntu1.10+esm1

4.90.1-1ubuntu1.10+esm2

4.90.1-1ubuntu1.10+esm3

4.90.1-1ubuntu1.10+esm4

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "exim4",
            "binary_version": "4.90.1-1ubuntu1.10+esm5"
        },
        {
            "binary_name": "exim4-base",
            "binary_version": "4.90.1-1ubuntu1.10+esm5"
        },
        {
            "binary_name": "exim4-base-dbgsym",
            "binary_version": "4.90.1-1ubuntu1.10+esm5"
        },
        {
            "binary_name": "exim4-config",
            "binary_version": "4.90.1-1ubuntu1.10+esm5"
        },
        {
            "binary_name": "exim4-daemon-heavy",
            "binary_version": "4.90.1-1ubuntu1.10+esm5"
        },
        {
            "binary_name": "exim4-daemon-heavy-dbgsym",
            "binary_version": "4.90.1-1ubuntu1.10+esm5"
        },
        {
            "binary_name": "exim4-daemon-light",
            "binary_version": "4.90.1-1ubuntu1.10+esm5"
        },
        {
            "binary_name": "exim4-daemon-light-dbgsym",
            "binary_version": "4.90.1-1ubuntu1.10+esm5"
        },
        {
            "binary_name": "exim4-dev",
            "binary_version": "4.90.1-1ubuntu1.10+esm5"
        },
        {
            "binary_name": "eximon4",
            "binary_version": "4.90.1-1ubuntu1.10+esm5"
        },
        {
            "binary_name": "eximon4-dbgsym",
            "binary_version": "4.90.1-1ubuntu1.10+esm5"
        }
    ]
}

Ubuntu:20.04:LTS / exim4

Package

Name: exim4
Purl: pkg:deb/ubuntu/exim4@4.93-13ubuntu1.12?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.93-13ubuntu1.12

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

4.93-13ubuntu1.5

4.93-13ubuntu1.6

4.93-13ubuntu1.7

4.93-13ubuntu1.8

4.93-13ubuntu1.9

4.93-13ubuntu1.10

4.93-13ubuntu1.11

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "exim4",
            "binary_version": "4.93-13ubuntu1.12"
        },
        {
            "binary_name": "exim4-base",
            "binary_version": "4.93-13ubuntu1.12"
        },
        {
            "binary_name": "exim4-base-dbgsym",
            "binary_version": "4.93-13ubuntu1.12"
        },
        {
            "binary_name": "exim4-config",
            "binary_version": "4.93-13ubuntu1.12"
        },
        {
            "binary_name": "exim4-daemon-heavy",
            "binary_version": "4.93-13ubuntu1.12"
        },
        {
            "binary_name": "exim4-daemon-heavy-dbgsym",
            "binary_version": "4.93-13ubuntu1.12"
        },
        {
            "binary_name": "exim4-daemon-light",
            "binary_version": "4.93-13ubuntu1.12"
        },
        {
            "binary_name": "exim4-daemon-light-dbgsym",
            "binary_version": "4.93-13ubuntu1.12"
        },
        {
            "binary_name": "exim4-dev",
            "binary_version": "4.93-13ubuntu1.12"
        },
        {
            "binary_name": "eximon4",
            "binary_version": "4.93-13ubuntu1.12"
        },
        {
            "binary_name": "eximon4-dbgsym",
            "binary_version": "4.93-13ubuntu1.12"
        }
    ]
}

Ubuntu:22.04:LTS / exim4

Package

Name: exim4
Purl: pkg:deb/ubuntu/exim4@4.95-4ubuntu2.6?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.95-4ubuntu2.6

Affected versions

4.*

4.94.2-7ubuntu2

4.95-2ubuntu2

4.95-4ubuntu1

4.95-4ubuntu2

4.95-4ubuntu2.1

4.95-4ubuntu2.2

4.95-4ubuntu2.3

4.95-4ubuntu2.4

4.95-4ubuntu2.5

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "exim4",
            "binary_version": "4.95-4ubuntu2.6"
        },
        {
            "binary_name": "exim4-base",
            "binary_version": "4.95-4ubuntu2.6"
        },
        {
            "binary_name": "exim4-base-dbgsym",
            "binary_version": "4.95-4ubuntu2.6"
        },
        {
            "binary_name": "exim4-config",
            "binary_version": "4.95-4ubuntu2.6"
        },
        {
            "binary_name": "exim4-daemon-heavy",
            "binary_version": "4.95-4ubuntu2.6"
        },
        {
            "binary_name": "exim4-daemon-heavy-dbgsym",
            "binary_version": "4.95-4ubuntu2.6"
        },
        {
            "binary_name": "exim4-daemon-light",
            "binary_version": "4.95-4ubuntu2.6"
        },
        {
            "binary_name": "exim4-daemon-light-dbgsym",
            "binary_version": "4.95-4ubuntu2.6"
        },
        {
            "binary_name": "exim4-dev",
            "binary_version": "4.95-4ubuntu2.6"
        },
        {
            "binary_name": "eximon4",
            "binary_version": "4.95-4ubuntu2.6"
        },
        {
            "binary_name": "eximon4-dbgsym",
            "binary_version": "4.95-4ubuntu2.6"
        }
    ]
}

Ubuntu:24.04:LTS / exim4

Package

Name: exim4
Purl: pkg:deb/ubuntu/exim4@4.97-4ubuntu4.1?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.97-4ubuntu4.1

Affected versions

4.*

4.96-17ubuntu2

4.96-17ubuntu2.1

4.97-3ubuntu1

4.97-4ubuntu1

4.97-4ubuntu3

4.97-4ubuntu4

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "exim4",
            "binary_version": "4.97-4ubuntu4.1"
        },
        {
            "binary_name": "exim4-base",
            "binary_version": "4.97-4ubuntu4.1"
        },
        {
            "binary_name": "exim4-base-dbgsym",
            "binary_version": "4.97-4ubuntu4.1"
        },
        {
            "binary_name": "exim4-config",
            "binary_version": "4.97-4ubuntu4.1"
        },
        {
            "binary_name": "exim4-daemon-heavy",
            "binary_version": "4.97-4ubuntu4.1"
        },
        {
            "binary_name": "exim4-daemon-heavy-dbgsym",
            "binary_version": "4.97-4ubuntu4.1"
        },
        {
            "binary_name": "exim4-daemon-light",
            "binary_version": "4.97-4ubuntu4.1"
        },
        {
            "binary_name": "exim4-daemon-light-dbgsym",
            "binary_version": "4.97-4ubuntu4.1"
        },
        {
            "binary_name": "exim4-dev",
            "binary_version": "4.97-4ubuntu4.1"
        },
        {
            "binary_name": "eximon4",
            "binary_version": "4.97-4ubuntu4.1"
        },
        {
            "binary_name": "eximon4-dbgsym",
            "binary_version": "4.97-4ubuntu4.1"
        }
    ]
}