UBUNTU-CVE-2023-24626

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Source
https://ubuntu.com/security/CVE-2023-24626
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-24626.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2023-24626
Related
Published
2023-04-08T05:15:00Z
Modified
2025-06-03T17:46:24Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVSS Calculator
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on platforms such as Arch Linux and FreeBSD), allows local users to send a privileged SIGHUP signal to any PID, causing a denial of service or disruption of the target process.

References

Affected packages

Ubuntu:Pro:14.04:LTS / screen

Package

Name
screen
Purl
pkg:deb/ubuntu/screen@4.1.0~20120320gitdb59704-9ubuntu0.1~esm3?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.1.0~20120320gitdb59704-9ubuntu0.1~esm3

Affected versions

4.*

4.0.3-14ubuntu10
4.1.0~20120320gitdb59704-9
4.1.0~20120320gitdb59704-9ubuntu0.1~esm1
4.1.0~20120320gitdb59704-9ubuntu0.1~esm2

Ecosystem specific 

{
    "ubuntu_priority": "low",
    "binaries": [
        {
            "binary_version": "4.1.0~20120320gitdb59704-9ubuntu0.1~esm3",
            "binary_name": "screen"
        },
        {
            "binary_version": "4.1.0~20120320gitdb59704-9ubuntu0.1~esm3",
            "binary_name": "screen-dbg"
        },
        {
            "binary_version": "4.1.0~20120320gitdb59704-9ubuntu0.1~esm3",
            "binary_name": "screen-dbgsym"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:16.04:LTS / screen

Package

Name
screen
Purl
pkg:deb/ubuntu/screen@4.3.1-2ubuntu0.1+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.3.1-2ubuntu0.1+esm1

Affected versions

4.*

4.3.1-2
4.3.1-2build1
4.3.1-2ubuntu0.1

Ecosystem specific 

{
    "ubuntu_priority": "low",
    "binaries": [
        {
            "binary_version": "4.3.1-2ubuntu0.1+esm1",
            "binary_name": "screen"
        },
        {
            "binary_version": "4.3.1-2ubuntu0.1+esm1",
            "binary_name": "screen-dbg"
        },
        {
            "binary_version": "4.3.1-2ubuntu0.1+esm1",
            "binary_name": "screen-dbgsym"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:18.04:LTS / screen

Package

Name
screen
Purl
pkg:deb/ubuntu/screen@4.6.2-1ubuntu1.1+esm1?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.6.2-1ubuntu1.1+esm1

Affected versions

4.*

4.6.1-1
4.6.2-1
4.6.2-1ubuntu1
4.6.2-1ubuntu1.1

Ecosystem specific 

{
    "ubuntu_priority": "low",
    "binaries": [
        {
            "binary_version": "4.6.2-1ubuntu1.1+esm1",
            "binary_name": "screen"
        },
        {
            "binary_version": "4.6.2-1ubuntu1.1+esm1",
            "binary_name": "screen-dbgsym"
        },
        {
            "binary_version": "4.6.2-1ubuntu1.1+esm1",
            "binary_name": "screen-udeb"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:20.04:LTS / screen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.6.2-3build1
4.7.0-1
4.8.0-1
4.8.0-1ubuntu0.1

Ecosystem specific 

{
    "ubuntu_priority": "low"
}

Ubuntu:22.04:LTS / screen

Package

Name
screen
Purl
pkg:deb/ubuntu/screen@4.9.0-1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.8.0-6
4.8.0-6build1
4.8.0-7
4.9.0-1

Ecosystem specific 

{
    "ubuntu_priority": "low"
}

Ubuntu:24.10 / screen

Package

Name
screen
Purl
pkg:deb/ubuntu/screen@4.9.1-1build1?arch=source&distro=oracular

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.9.1-1build1

Ecosystem specific 

{
    "ubuntu_priority": "low",
    "binaries": [
        {
            "binary_version": "4.9.1-1build1",
            "binary_name": "screen"
        },
        {
            "binary_version": "4.9.1-1build1",
            "binary_name": "screen-dbgsym"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:24.04:LTS / screen

Package

Name
screen
Purl
pkg:deb/ubuntu/screen@4.9.1-1build1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.9.1-1build1

Affected versions

4.*

4.9.0-4
4.9.1-1

Ecosystem specific 

{
    "ubuntu_priority": "low",
    "binaries": [
        {
            "binary_version": "4.9.1-1build1",
            "binary_name": "screen"
        },
        {
            "binary_version": "4.9.1-1build1",
            "binary_name": "screen-dbgsym"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:25.04 / screen

Package

Name
screen
Purl
pkg:deb/ubuntu/screen@4.9.1-1build1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.9.1-1build1

Ecosystem specific 

{
    "ubuntu_priority": "low",
    "binaries": [
        {
            "binary_version": "4.9.1-1build1",
            "binary_name": "screen"
        },
        {
            "binary_version": "4.9.1-1build1",
            "binary_name": "screen-dbgsym"
        }
    ],
    "availability": "No subscription required"
}