USN-4668-4

Kevin Backhouse discovered that python-apt incorrectly handled resources. A local attacker could possibly use this issue to cause python-apt to consume resources, leading to a denial of service.

References

Affected packages

Ubuntu:Pro:14.04:LTS / python-apt

Package

Name: python-apt
Purl: pkg:deb/ubuntu/python-apt@0.9.3.5ubuntu3+esm4?arch=source&distro=trusty/esm

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.9.3.5ubuntu3+esm4

Affected versions

0.*

0.8.9.1ubuntu1

0.9.0

0.9.1

0.9.1ubuntu1

0.9.3.2

0.9.3.2ubuntu2

0.9.3.3

0.9.3.3ubuntu1

0.9.3.4

0.9.3.4build1

0.9.3.5

0.9.3.5ubuntu1

0.9.3.5ubuntu2

0.9.3.5ubuntu3

0.9.3.5ubuntu3+esm2

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "python-apt",
            "binary_version": "0.9.3.5ubuntu3+esm4"
        },
        {
            "binary_name": "python-apt-common",
            "binary_version": "0.9.3.5ubuntu3+esm4"
        },
        {
            "binary_name": "python3-apt",
            "binary_version": "0.9.3.5ubuntu3+esm4"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4668-4.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-27351"
        }
    ],
    "ecosystem": "Ubuntu:Pro:14.04:LTS"
}