USN-4747-1

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Source

https://ubuntu.com/security/notices/USN-4747-1

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4747-1.json

JSON Data

https://api.osv.dev/v1/vulns/USN-4747-1

Related

Published

2021-02-24T13:58:42.115382Z

Modified

2021-02-24T13:58:42.115382Z

Summary

screen vulnerability

Details

Felix Weinmann discovered that GNU Screen incorrectly handled certain character sequences. A remote attacker could use this issue to cause GNU Screen to crash, resulting in a denial of service, or possibly execute arbitrary code.

References

Affected packages

Ubuntu:16.04:LTS / screen

Package

Name: screen
Purl: pkg:deb/ubuntu/screen@4.3.1-2ubuntu0.1?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.3.1-2ubuntu0.1

Affected versions

4.*

4.3.1-2

4.3.1-2build1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "4.3.1-2ubuntu0.1",
            "binary_name": "screen"
        },
        {
            "binary_version": "4.3.1-2ubuntu0.1",
            "binary_name": "screen-dbg"
        },
        {
            "binary_version": "4.3.1-2ubuntu0.1",
            "binary_name": "screen-dbgsym"
        }
    ]
}

Ubuntu:18.04:LTS / screen

Package

Name: screen
Purl: pkg:deb/ubuntu/screen@4.6.2-1ubuntu1.1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.6.2-1ubuntu1.1

Affected versions

4.*

4.6.1-1

4.6.2-1

4.6.2-1ubuntu1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "4.6.2-1ubuntu1.1",
            "binary_name": "screen"
        },
        {
            "binary_version": "4.6.2-1ubuntu1.1",
            "binary_name": "screen-dbgsym"
        },
        {
            "binary_version": "4.6.2-1ubuntu1.1",
            "binary_name": "screen-udeb"
        }
    ]
}

Ubuntu:20.04:LTS / screen

Package

Name: screen
Purl: pkg:deb/ubuntu/screen@4.8.0-1ubuntu0.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.8.0-1ubuntu0.1

Affected versions

4.*

4.6.2-3build1

4.7.0-1

4.8.0-1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "4.8.0-1ubuntu0.1",
            "binary_name": "screen"
        },
        {
            "binary_version": "4.8.0-1ubuntu0.1",
            "binary_name": "screen-dbgsym"
        },
        {
            "binary_version": "4.8.0-1ubuntu0.1",
            "binary_name": "screen-udeb"
        }
    ]
}