USN-5378-2

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

0 Unknown 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":  "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

{
    "cves":  [
        {
            "id":  "CVE-2022-1271",
            "severity":  [
                {
                    "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":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:18.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5378-2.json"

Ubuntu:20.04:LTS / xz-utils