USN-4707-1

It was discovered that TCMU lacked a check for transport-layer restrictions, allowing remote attackers to read or write files via directory traversal in an XCOPY request.

References

Affected packages

Ubuntu:20.04:LTS / tcmu

Package

Name: tcmu
Purl: pkg:deb/ubuntu/tcmu@1.5.2-5ubuntu0.20.04.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.5.2-5ubuntu0.20.04.1

Affected versions

1.*

1.4.0-1

1.5.2-2

1.5.2-2ubuntu1

1.5.2-3

1.5.2-4

1.5.2-5

1.5.2-5build1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.5.2-5ubuntu0.20.04.1",
            "binary_name": "libtcmu2"
        },
        {
            "binary_version": "1.5.2-5ubuntu0.20.04.1",
            "binary_name": "tcmu-runner"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-3139",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}