USN-4870-1

It was discovered that Bundler incorrectly created directories with insecure permissions in /tmp. An attacker could write malicious libraries to this location for later execution.

References

Affected packages

Ubuntu:Pro:18.04:LTS / bundler

Package

Name: bundler
Purl: pkg:deb/ubuntu/bundler@1.16.1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.16.1-1ubuntu0.1~esm1

Affected versions

1.*

1.15.1-1

1.16.1-1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "bundler",
            "binary_version": "1.16.1-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "ruby-bundler",
            "binary_version": "1.16.1-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2019-3881"
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4870-1.json"