USN-5075-1

It was discovered that Ghostscript incorrectly handled certain PostScript files. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use this issue to access arbitrary files, execute arbitrary code, or cause a denial of service.

References

Affected packages

Ubuntu:20.04:LTS / ghostscript

Package

Name: ghostscript
Purl: pkg:deb/ubuntu/ghostscript@9.50~dfsg-5ubuntu4.3?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

9.50~dfsg-5ubuntu4.3

Affected versions

9.*

9.27~dfsg+0-0ubuntu3

9.27~dfsg+0-0ubuntu4

9.50~dfsg-5ubuntu1

9.50~dfsg-5ubuntu2

9.50~dfsg-5ubuntu3

9.50~dfsg-5ubuntu4

9.50~dfsg-5ubuntu4.1

9.50~dfsg-5ubuntu4.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "ghostscript",
            "binary_version": "9.50~dfsg-5ubuntu4.3"
        },
        {
            "binary_name": "ghostscript-x",
            "binary_version": "9.50~dfsg-5ubuntu4.3"
        },
        {
            "binary_name": "libgs-dev",
            "binary_version": "9.50~dfsg-5ubuntu4.3"
        },
        {
            "binary_name": "libgs9",
            "binary_version": "9.50~dfsg-5ubuntu4.3"
        },
        {
            "binary_name": "libgs9-common",
            "binary_version": "9.50~dfsg-5ubuntu4.3"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-3781",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5075-1.json"