USN-2771-1

It was discovered that click did not properly perform input sanitization during click package installation. If a user were tricked into installing a crafted click package, a remote attacker could exploit this to escalate privileges by tricking click into installing lenient security policy for the installed application.

References

Affected packages

Ubuntu:14.04:LTS / click

Package

Name: click
Purl: pkg:deb/ubuntu/click@0.4.21.1ubuntu0.2?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.4.21.1ubuntu0.2

Affected versions

0.*

0.4.11

0.4.12

0.4.13

0.4.14

0.4.15

0.4.16

0.4.17.2

0.4.18.1

0.4.18.3

0.4.19

0.4.20

0.4.21.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "0.4.21.1ubuntu0.2",
            "binary_name": "click"
        },
        {
            "binary_version": "0.4.21.1ubuntu0.2",
            "binary_name": "gir1.2-click-0.4"
        },
        {
            "binary_version": "0.4.21.1ubuntu0.2",
            "binary_name": "libclick-0.4-0"
        },
        {
            "binary_version": "0.4.21.1ubuntu0.2",
            "binary_name": "packagekit-plugin-click"
        },
        {
            "binary_version": "0.4.21.1ubuntu0.2",
            "binary_name": "python3-click"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "critical",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2015-8768"
        }
    ],
    "ecosystem": "Ubuntu:14.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-2771-1.json"