UBUNTU-CVE-2016-2781

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Source
https://ubuntu.com/security/CVE-2016-2781
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2781.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2016-2781
Upstream
Published
2017-02-07T15:59:00Z
Modified
2026-03-18T06:32:17.714169Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N CVSS Calculator
  • 4.6 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

chroot in GNU coreutils, when used with --userspec, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.

References

Affected packages

Ubuntu:14.04:LTS
coreutils

Package

Name
coreutils
Purl
pkg:deb/ubuntu/coreutils@8.21-1ubuntu5.4?arch=source&distro=trusty

Affected ranges

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

Affected versions

8.*
8.20-3ubuntu5
8.21-1ubuntu3
8.21-1ubuntu4
8.21-1ubuntu5
8.21-1ubuntu5.1
8.21-1ubuntu5.3
8.21-1ubuntu5.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "8.21-1ubuntu5.4",
            "binary_name": "coreutils"
        },
        {
            "binary_version": "8.21-1ubuntu5.4",
            "binary_name": "mktemp"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2781.json"
Ubuntu:16.04:LTS
coreutils

Package

Name
coreutils
Purl
pkg:deb/ubuntu/coreutils@8.25-2ubuntu3~16.04?arch=source&distro=xenial

Affected ranges

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

Affected versions

8.*
8.23-4ubuntu2
8.25-2ubuntu2
8.25-2ubuntu3~16.04

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "8.25-2ubuntu3~16.04",
            "binary_name": "coreutils"
        },
        {
            "binary_version": "8.25-2ubuntu3~16.04",
            "binary_name": "mktemp"
        },
        {
            "binary_version": "8.25-2ubuntu3~16.04",
            "binary_name": "realpath"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2781.json"
Ubuntu:18.04:LTS
coreutils

Package

Name
coreutils
Purl
pkg:deb/ubuntu/coreutils@8.28-1ubuntu1?arch=source&distro=bionic

Affected ranges

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

Affected versions

8.*
8.26-3ubuntu4
8.28-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "8.28-1ubuntu1",
            "binary_name": "coreutils"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2781.json"
Ubuntu:20.04:LTS
coreutils

Package

Name
coreutils
Purl
pkg:deb/ubuntu/coreutils@8.30-3ubuntu2?arch=source&distro=focal

Affected ranges

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

Affected versions

8.*
8.30-3ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "8.30-3ubuntu2",
            "binary_name": "coreutils"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2781.json"
Ubuntu:22.04:LTS
coreutils

Package

Name
coreutils
Purl
pkg:deb/ubuntu/coreutils@8.32-4.1ubuntu1.3?arch=source&distro=jammy

Affected ranges

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

Affected versions

8.*
8.32-4ubuntu2
8.32-4ubuntu3
8.32-4.1ubuntu1
8.32-4.1ubuntu1.1
8.32-4.1ubuntu1.2
8.32-4.1ubuntu1.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "8.32-4.1ubuntu1.3",
            "binary_name": "coreutils"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2781.json"
Ubuntu:24.04:LTS
coreutils

Package

Name
coreutils
Purl
pkg:deb/ubuntu/coreutils@9.4-3ubuntu6.2?arch=source&distro=noble

Affected ranges

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

Affected versions

9.*
9.1-1ubuntu2
9.4-2ubuntu1
9.4-2ubuntu2
9.4-2ubuntu3
9.4-2ubuntu4
9.4-3ubuntu3
9.4-3ubuntu5
9.4-3ubuntu6
9.4-3ubuntu6.1
9.4-3ubuntu6.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "9.4-3ubuntu6.2",
            "binary_name": "coreutils"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2781.json"
Ubuntu:25.10
coreutils

Package

Name
coreutils
Purl
pkg:deb/ubuntu/coreutils@9.5-1ubuntu4.1?arch=source&distro=questing

Affected ranges

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

Affected versions

9.*
9.5-1ubuntu1
9.5-1ubuntu1.25.10.1
9.5-1ubuntu2
9.5-1ubuntu3
9.5-1ubuntu4
9.5-1ubuntu4.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "9.5-1ubuntu4.1",
            "binary_name": "gnu-coreutils"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2781.json"