USN-2362-1

Stephane Chazelas discovered that Bash incorrectly handled trailing code in function definitions. An attacker could use this issue to bypass environment restrictions, such as SSH forced command environments.

References

Affected packages

Ubuntu:14.04:LTS / bash

Package

Name: bash
Purl: pkg:deb/ubuntu/bash@4.3-7ubuntu1.1?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.3-7ubuntu1.1

Affected versions

4.*

4.2-5ubuntu3

4.3-1ubuntu2

4.3-2ubuntu1

4.3-3ubuntu1

4.3-4ubuntu1

4.3-4ubuntu2

4.3-6ubuntu1

4.3-7ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "bash",
            "binary_version": "4.3-7ubuntu1.1"
        },
        {
            "binary_name": "bash-builtins",
            "binary_version": "4.3-7ubuntu1.1"
        },
        {
            "binary_name": "bash-static",
            "binary_version": "4.3-7ubuntu1.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:14.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ],
            "id": "CVE-2014-6271"
        }
    ]
}