USN-5064-1

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Source
https://ubuntu.com/security/notices/USN-5064-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5064-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5064-1
Upstream
Related
Published
2021-09-08T11:14:41.905315Z
Modified
2025-10-13T04:35:36Z
Summary
cpio vulnerability
Details

Maverick Chung and Qiaoyi Fang discovered that cpio incorrectly handled certain pattern files. A remote attacker could use this issue to cause cpio to crash, resulting in a denial of service, or possibly execute arbitrary code.

References

Affected packages

Ubuntu:18.04:LTS / cpio

Package

Name
cpio
Purl
pkg:deb/ubuntu/cpio@2.12+dfsg-6ubuntu0.18.04.4?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.12+dfsg-6ubuntu0.18.04.4

Affected versions

2.*

2.11+dfsg-6
2.12+dfsg-6
2.12+dfsg-6ubuntu0.18.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "cpio",
            "binary_version": "2.12+dfsg-6ubuntu0.18.04.4"
        },
        {
            "binary_name": "cpio-win32",
            "binary_version": "2.12+dfsg-6ubuntu0.18.04.4"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-38185",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:20.04:LTS / cpio

Package

Name
cpio
Purl
pkg:deb/ubuntu/cpio@2.13+dfsg-2ubuntu0.3?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.13+dfsg-2ubuntu0.3

Affected versions

2.*

2.12+dfsg-9
2.12+dfsg-9ubuntu1
2.13+dfsg-1
2.13+dfsg-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "cpio",
            "binary_version": "2.13+dfsg-2ubuntu0.3"
        },
        {
            "binary_name": "cpio-win32",
            "binary_version": "2.13+dfsg-2ubuntu0.3"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-38185",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}