USN-3746-1

It was discovered that APT incorrectly handled the mirror method (mirror://). If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could potentially be used to install altered packages in environments configured to use mirror:// entries.

References

Affected packages

Ubuntu:18.04:LTS / apt

Package

Name: apt
Purl: pkg:deb/ubuntu/apt@1.6.3ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.6.3ubuntu0.1

Affected versions

1.*

1.5

1.5.1

1.6~alpha5

1.6~alpha7ubuntu1

1.6~alpha7ubuntu2

1.6~beta1

1.6~rc1

1.6

1.6.1

1.6.2

1.6.3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "apt",
            "binary_version": "1.6.3ubuntu0.1"
        },
        {
            "binary_name": "apt-transport-https",
            "binary_version": "1.6.3ubuntu0.1"
        },
        {
            "binary_name": "apt-utils",
            "binary_version": "1.6.3ubuntu0.1"
        },
        {
            "binary_name": "libapt-inst2.0",
            "binary_version": "1.6.3ubuntu0.1"
        },
        {
            "binary_name": "libapt-pkg5.0",
            "binary_version": "1.6.3ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2018-0501",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:18.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3746-1.json"