USN-4058-1

It was discovered that Bash incorrectly handled the restricted shell. An attacker could possibly use this issue to escape restrictions and execute any command.

References

Affected packages

Ubuntu:16.04:LTS / bash

Package

Name: bash
Purl: pkg:deb/ubuntu/bash@4.3-14ubuntu1.4?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.3-14ubuntu1.4

Affected versions

4.*

4.3-14ubuntu1

4.3-14ubuntu1.1

4.3-14ubuntu1.2

4.3-14ubuntu1.3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "bash",
            "binary_version": "4.3-14ubuntu1.4"
        },
        {
            "binary_name": "bash-builtins",
            "binary_version": "4.3-14ubuntu1.4"
        },
        {
            "binary_name": "bash-static",
            "binary_version": "4.3-14ubuntu1.4"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4058-1.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2019-9924"
        }
    ],
    "ecosystem": "Ubuntu:16.04:LTS"
}