USN-4297-1

It was discovered that runC incorrectly checked mount targets. An attacker with a malicious container image could possibly mount over the /proc directory and escalate privileges. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-16884)

It was discovered that runC incorrectly performed access control. An attacker could possibly use this issue to escalate privileges. (CVE-2019-19921)

References

Affected packages

Ubuntu:18.04:LTS / runc

Package

Name: runc
Purl: pkg:deb/ubuntu/runc@1.0.0~rc10-0ubuntu1~18.04.2?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.0.0~rc10-0ubuntu1~18.04.2

Affected versions

1.*

1.0.0~rc2+docker1.13.1-0ubuntu1

1.0.0~rc4+dfsg1-2

1.0.0~rc4+dfsg1-6

1.0.0~rc4+dfsg1-6ubuntu0.18.04.1

1.0.0~rc7+git20190403.029124da-0ubuntu1~18.04.1

1.0.0~rc7+git20190403.029124da-0ubuntu1~18.04.2

1.0.0~rc10-0ubuntu1~18.04.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.0.0~rc10-0ubuntu1~18.04.2",
            "binary_name": "golang-github-opencontainers-runc-dev"
        },
        {
            "binary_version": "1.0.0~rc10-0ubuntu1~18.04.2",
            "binary_name": "runc"
        }
    ]
}

Database specific

{
    "cves_map": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2019-16884"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2019-19921"
            }
        ]
    }
}