USN-8990-1

It was discovered that Sprockets incorrectly handled certain specially crafted requests when the Sprockets server was used in production. A remote attacker could possibly use this issue to access files outside of the application's root directory.

References

Affected packages

Ubuntu:Pro:16.04:LTS / ruby-sprockets

Package

Name: ruby-sprockets
Purl: pkg:deb/ubuntu/ruby-sprockets?arch=source&distro=esm-apps-legacy%2Fxenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

3.3.0-1ubuntu0.1~esm1

Affected versions

2.*

2.12.3-1

3.*

3.3.0-1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "ruby-sprockets",
            "binary_version": "3.3.0-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2018-3760",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8990-1.json"