USN-4870-1

Source
https://ubuntu.com/security/notices/USN-4870-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4870-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4870-1
Upstream
Related
Published
2021-03-15T22:59:20.769518Z
Modified
2025-10-13T04:35:24Z
Summary
bundler vulnerability
Details

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_version": "1.16.1-1ubuntu0.1~esm1",
            "binary_name": "bundler"
        },
        {
            "binary_version": "1.16.1-1ubuntu0.1~esm1",
            "binary_name": "ruby-bundler"
        }
    ]
}

Database specific

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