USN-6436-1

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Source
https://ubuntu.com/security/notices/USN-6436-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6436-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6436-1
Upstream
Related
Published
2023-10-18T04:43:51.253046Z
Modified
2025-10-13T04:36:39Z
Summary
frr vulnerabilities
Details

It was discovered that the FRR did not properly check the attribute length in NRLI. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-41358)

It was discovered that the FRR did not properly manage memory when reading initial bytes of ORF header. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-41360)

It was discovered that FRR did not properly validate the attributes in the BGP FlowSpec functionality. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-41909)

References

Affected packages

Ubuntu:Pro:20.04:LTS / frr

Package

Name
frr
Purl
pkg:deb/ubuntu/frr@7.2.1-1ubuntu0.2+esm1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.2.1-1ubuntu0.2+esm1

Affected versions

6.*

6.0.2-2build2

7.*

7.2-1ubuntu1
7.2-1ubuntu2
7.2.1-1
7.2.1-1ubuntu0.1
7.2.1-1ubuntu0.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "7.2.1-1ubuntu0.2+esm1",
            "binary_name": "frr"
        },
        {
            "binary_version": "7.2.1-1ubuntu0.2+esm1",
            "binary_name": "frr-pythontools"
        },
        {
            "binary_version": "7.2.1-1ubuntu0.2+esm1",
            "binary_name": "frr-rpki-rtrlib"
        },
        {
            "binary_version": "7.2.1-1ubuntu0.2+esm1",
            "binary_name": "frr-snmp"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific 

{
    "cves_map": {
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2023-41358"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "low",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2023-41360"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2023-41909"
            }
        ],
        "ecosystem": "Ubuntu:Pro:20.04:LTS"
    }
}

Ubuntu:22.04:LTS / frr

Package

Name
frr
Purl
pkg:deb/ubuntu/frr@8.1-1ubuntu1.6?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.1-1ubuntu1.6

Affected versions

7.*

7.5.1-1.1

8.*

8.1-1
8.1-1ubuntu1
8.1-1ubuntu1.1
8.1-1ubuntu1.2
8.1-1ubuntu1.3
8.1-1ubuntu1.4
8.1-1ubuntu1.5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "8.1-1ubuntu1.6",
            "binary_name": "frr"
        },
        {
            "binary_version": "8.1-1ubuntu1.6",
            "binary_name": "frr-pythontools"
        },
        {
            "binary_version": "8.1-1ubuntu1.6",
            "binary_name": "frr-rpki-rtrlib"
        },
        {
            "binary_version": "8.1-1ubuntu1.6",
            "binary_name": "frr-snmp"
        }
    ],
    "availability": "No subscription required"
}

Database specific 

{
    "cves_map": {
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2023-41358"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "low",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2023-41360"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2023-41909"
            }
        ],
        "ecosystem": "Ubuntu:22.04:LTS"
    }
}