USN-4201-1

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Source
https://ubuntu.com/security/notices/USN-4201-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4201-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4201-1
Upstream
Related
Published
2019-11-26T14:48:39.667359Z
Modified
2025-10-13T04:34:59Z
Summary
ruby2.3, ruby2.5 vulnerabilities
Details

It was discovered that Ruby incorrectly handled certain files. An attacker could possibly use this issue to pass path matching what can lead to an unauthorized access. (CVE-2019-15845)

It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could use this issue to cause a denial of service. (CVE-2019-16201)

It was discovered that Ruby incorrectly handled certain HTTP headers. An attacker could possibly use this issue to execute arbitrary code. (CVE-2019-16254)

It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2019-16255)

References

Affected packages

Ubuntu:16.04:LTS / ruby2.3

Package

Name
ruby2.3
Purl
pkg:deb/ubuntu/ruby2.3@2.3.1-2~ubuntu16.04.14?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.3.1-2~ubuntu16.04.14

Affected versions

2.*

2.3.0-1
2.3.0-2
2.3.0-4ubuntu2
2.3.0-4ubuntu3
2.3.0-5ubuntu1
2.3.1-2~16.04
2.3.1-2~16.04.2
2.3.1-2~16.04.4
2.3.1-2~16.04.5
2.3.1-2~16.04.6
2.3.1-2~16.04.7
2.3.1-2~16.04.9
2.3.1-2~16.04.10
2.3.1-2~16.04.11
2.3.1-2~16.04.12
2.3.1-2~ubuntu16.04.13

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libruby2.3",
            "binary_version": "2.3.1-2~ubuntu16.04.14"
        },
        {
            "binary_name": "ruby2.3",
            "binary_version": "2.3.1-2~ubuntu16.04.14"
        },
        {
            "binary_name": "ruby2.3-dev",
            "binary_version": "2.3.1-2~ubuntu16.04.14"
        },
        {
            "binary_name": "ruby2.3-tcltk",
            "binary_version": "2.3.1-2~ubuntu16.04.14"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2019-15845",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2019-16201",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2019-16254",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2019-16255",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:18.04:LTS / ruby2.5

Package

Name
ruby2.5
Purl
pkg:deb/ubuntu/ruby2.5@2.5.1-1ubuntu1.6?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.5.1-1ubuntu1.6

Affected versions

2.*

2.5.0~preview1-1ubuntu2
2.5.0-4ubuntu1
2.5.0-4ubuntu4
2.5.0-5ubuntu1
2.5.0-6ubuntu1
2.5.1-1ubuntu1
2.5.1-1ubuntu1.1
2.5.1-1ubuntu1.2
2.5.1-1ubuntu1.4
2.5.1-1ubuntu1.5

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libruby2.5",
            "binary_version": "2.5.1-1ubuntu1.6"
        },
        {
            "binary_name": "ruby2.5",
            "binary_version": "2.5.1-1ubuntu1.6"
        },
        {
            "binary_name": "ruby2.5-dev",
            "binary_version": "2.5.1-1ubuntu1.6"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2019-15845",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2019-16201",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2019-16254",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2019-16255",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}