USN-5262-1

The potential for an out of bounds write due to a missing bounds check was discovered to impact the sgdisk utility of GPT fdisk. Exploitation requires the use of a maliciously formatted storage device and could cause sgdisk to crash as well as possibly allow for local privilege escalation.

References

Affected packages

Ubuntu:Pro:16.04:LTS / gdisk

Package

Name: gdisk
Purl: pkg:deb/ubuntu/gdisk@1.0.1-1ubuntu0.1~esm2?arch=source&distro=esm-infra/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.0.1-1ubuntu0.1~esm2

Affected versions

1.*

1.0.0-3

1.0.1-1

1.0.1-1build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.0.1-1ubuntu0.1~esm2",
            "binary_name": "gdisk"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5262-1.json"

cves_map

{
    "cves": [
        {
            "id": "CVE-2020-0256",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        },
        {
            "id": "CVE-2021-0308",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}