USN-5378-2

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Source
https://ubuntu.com/security/notices/USN-5378-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5378-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5378-2
Upstream
Related
Published
2022-04-13T12:45:29.955642Z
Modified
2025-10-13T04:35:52Z
Summary
xz-utils vulnerability
Details

Cleemy Desu Wayo discovered that XZ Utils incorrectly handled certain filenames. If a user or automated system were tricked into performing xzgrep operations with specially crafted filenames, a remote attacker could overwrite arbitrary files.

References

Affected packages

Ubuntu:18.04:LTS / xz-utils

Package

Name
xz-utils
Purl
pkg:deb/ubuntu/xz-utils@5.2.2-1.3ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.2.2-1.3ubuntu0.1

Affected versions

5.*

5.2.2-1.3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "liblzma-dev",
            "binary_version": "5.2.2-1.3ubuntu0.1"
        },
        {
            "binary_name": "liblzma5",
            "binary_version": "5.2.2-1.3ubuntu0.1"
        },
        {
            "binary_name": "xz-utils",
            "binary_version": "5.2.2-1.3ubuntu0.1"
        },
        {
            "binary_name": "xzdec",
            "binary_version": "5.2.2-1.3ubuntu0.1"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2022-1271",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:20.04:LTS / xz-utils

Package

Name
xz-utils
Purl
pkg:deb/ubuntu/xz-utils@5.2.4-1ubuntu1.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.2.4-1ubuntu1.1

Affected versions

5.*

5.2.4-1
5.2.4-1ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "liblzma-dev",
            "binary_version": "5.2.4-1ubuntu1.1"
        },
        {
            "binary_name": "liblzma5",
            "binary_version": "5.2.4-1ubuntu1.1"
        },
        {
            "binary_name": "xz-utils",
            "binary_version": "5.2.4-1ubuntu1.1"
        },
        {
            "binary_name": "xzdec",
            "binary_version": "5.2.4-1ubuntu1.1"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2022-1271",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}