UBUNTU-CVE-2021-3567

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Source
https://ubuntu.com/security/CVE-2021-3567
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3567.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-3567
Upstream
Published
2022-03-25T19:15:00Z
Modified
2026-04-22T12:56:43.536411Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A flaw was found in Caribou due to a regression of CVE-2020-25712 fix. An attacker could use this flaw to bypass screen-locking applications that leverage Caribou as an input mechanism. The highest threat from this vulnerability is to system availability.

References

Affected packages

Ubuntu:16.04:LTS / caribou

Package

Name
caribou
Purl
pkg:deb/ubuntu/caribou@0.4.20-1?arch=source&distro=xenial

Affected ranges

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

Affected versions

0.*
0.4.18.1-1
0.4.19-1
0.4.20-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "caribou",
            "binary_version": "0.4.20-1"
        },
        {
            "binary_name": "caribou-antler",
            "binary_version": "0.4.20-1"
        },
        {
            "binary_name": "gir1.2-caribou-1.0",
            "binary_version": "0.4.20-1"
        },
        {
            "binary_name": "libcaribou-common",
            "binary_version": "0.4.20-1"
        },
        {
            "binary_name": "libcaribou-gtk-module",
            "binary_version": "0.4.20-1"
        },
        {
            "binary_name": "libcaribou-gtk3-module",
            "binary_version": "0.4.20-1"
        },
        {
            "binary_name": "libcaribou0",
            "binary_version": "0.4.20-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3567.json"

Ubuntu:18.04:LTS / caribou

Package

Name
caribou
Purl
pkg:deb/ubuntu/caribou@0.4.21-5?arch=source&distro=bionic

Affected ranges

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

Affected versions

0.*
0.4.21-2
0.4.21-3
0.4.21-4
0.4.21-5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "caribou",
            "binary_version": "0.4.21-5"
        },
        {
            "binary_name": "caribou-antler",
            "binary_version": "0.4.21-5"
        },
        {
            "binary_name": "gir1.2-caribou-1.0",
            "binary_version": "0.4.21-5"
        },
        {
            "binary_name": "libcaribou-common",
            "binary_version": "0.4.21-5"
        },
        {
            "binary_name": "libcaribou-gtk-module",
            "binary_version": "0.4.21-5"
        },
        {
            "binary_name": "libcaribou-gtk3-module",
            "binary_version": "0.4.21-5"
        },
        {
            "binary_name": "libcaribou0",
            "binary_version": "0.4.21-5"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3567.json"