UBUNTU-CVE-2021-4217

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Source
https://ubuntu.com/security/CVE-2021-4217
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-4217.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-4217
Related
Published
2022-08-24T16:15:00Z
Modified
2025-01-13T10:22:27Z
Severity
  • 3.3 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.

References

Affected packages

Ubuntu:Pro:14.04:LTS / unzip

Package

Name
unzip
Purl
pkg:deb/ubuntu/unzip@6.0-9ubuntu1.6+esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0-9ubuntu1.6+esm1

Affected versions

6.*

6.0-9ubuntu1
6.0-9ubuntu1.1
6.0-9ubuntu1.2
6.0-9ubuntu1.3
6.0-9ubuntu1.4
6.0-9ubuntu1.5
6.0-9ubuntu1.6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "unzip",
            "binary_version": "6.0-9ubuntu1.6+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "ubuntu_priority": "low"
}

Ubuntu:Pro:16.04:LTS / unzip

Package

Name
unzip
Purl
pkg:deb/ubuntu/unzip@6.0-20ubuntu1.1+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0-20ubuntu1.1+esm1

Affected versions

6.*

6.0-17ubuntu1
6.0-19ubuntu1
6.0-19ubuntu2
6.0-20ubuntu1
6.0-20ubuntu1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "unzip",
            "binary_version": "6.0-20ubuntu1.1+esm1"
        },
        {
            "binary_name": "unzip-dbgsym",
            "binary_version": "6.0-20ubuntu1.1+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "ubuntu_priority": "low"
}

Ubuntu:18.04:LTS / unzip

Package

Name
unzip
Purl
pkg:deb/ubuntu/unzip@6.0-21ubuntu1.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0-21ubuntu1.2

Affected versions

6.*

6.0-21ubuntu1
6.0-21ubuntu1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "unzip",
            "binary_version": "6.0-21ubuntu1.2"
        },
        {
            "binary_name": "unzip-dbgsym",
            "binary_version": "6.0-21ubuntu1.2"
        }
    ],
    "availability": "No subscription required",
    "ubuntu_priority": "low"
}

Ubuntu:20.04:LTS / unzip

Package

Name
unzip
Purl
pkg:deb/ubuntu/unzip@6.0-25ubuntu1.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0-25ubuntu1.1

Affected versions

6.*

6.0-25ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "unzip",
            "binary_version": "6.0-25ubuntu1.1"
        },
        {
            "binary_name": "unzip-dbgsym",
            "binary_version": "6.0-25ubuntu1.1"
        }
    ],
    "availability": "No subscription required",
    "ubuntu_priority": "low"
}

Ubuntu:22.04:LTS / unzip

Package

Name
unzip
Purl
pkg:deb/ubuntu/unzip@6.0-26ubuntu3.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0-26ubuntu3.1

Affected versions

6.*

6.0-26ubuntu1
6.0-26ubuntu2
6.0-26ubuntu3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "unzip",
            "binary_version": "6.0-26ubuntu3.1"
        },
        {
            "binary_name": "unzip-dbgsym",
            "binary_version": "6.0-26ubuntu3.1"
        }
    ],
    "availability": "No subscription required",
    "ubuntu_priority": "low"
}

Ubuntu:24.04:LTS / unzip

Package

Name
unzip
Purl
pkg:deb/ubuntu/unzip@6.0-28ubuntu4.1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0-28ubuntu4.1

Affected versions

6.*

6.0-28ubuntu1
6.0-28ubuntu2
6.0-28ubuntu3
6.0-28ubuntu4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "unzip",
            "binary_version": "6.0-28ubuntu4.1"
        },
        {
            "binary_name": "unzip-dbgsym",
            "binary_version": "6.0-28ubuntu4.1"
        }
    ],
    "availability": "No subscription required",
    "ubuntu_priority": "low"
}