{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2023-22415",
        "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "assignerShortName": "juniper",
        "dateUpdated": "2024-08-02T10:07:06.541Z",
        "dateReserved": "2022-12-27T00:00:00",
        "datePublished": "2023-01-12T00:00:00"
    },
    "containers": {
        "cna": {
            "title": "Junos OS: MX Series and SRX Series: The flow processing daemon (flowd) will crash when specific H.323 packets are received",
            "datePublic": "2023-01-11T00:00:00",
            "providerMetadata": {
                "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
                "shortName": "juniper",
                "dateUpdated": "2023-01-12T00:00:00"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "An Out-of-Bounds Write vulnerability in the H.323 ALG of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service (DoS). On all MX Series and SRX Series platform, when H.323 ALG is enabled and specific H.323 packets are received simultaneously, a flow processing daemon (flowd) crash will occur. Continued receipt of these specific packets will cause a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS on MX Series and SRX Series All versions prior to 19.4R3-S10; 20.2 versions prior to 20.2R3-S6; 20.3 versions prior to 20.3R3-S6; 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S3; 21.3 versions prior to 21.3R3-S3; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R2-S1, 22.1R3; 22.2 versions prior to 22.2R1-S2, 22.2R2."
                }
            ],
            "affected": [
                {
                    "vendor": "Juniper Networks",
                    "product": "Junos OS",
                    "versions": [
                        {
                            "version": "unspecified",
                            "lessThan": "19.4R3-S10",
                            "status": "affected",
                            "versionType": "custom"
                        },
                        {
                            "version": "20.2",
                            "status": "affected",
                            "lessThan": "20.2R3-S6",
                            "versionType": "custom"
                        },
                        {
                            "version": "20.3",
                            "status": "affected",
                            "lessThan": "20.3R3-S6",
                            "versionType": "custom"
                        },
                        {
                            "version": "20.4",
                            "status": "affected",
                            "lessThan": "20.4R3-S5",
                            "versionType": "custom"
                        },
                        {
                            "version": "21.1",
                            "status": "affected",
                            "lessThan": "21.1R3-S4",
                            "versionType": "custom"
                        },
                        {
                            "version": "21.2",
                            "status": "affected",
                            "lessThan": "21.2R3-S3",
                            "versionType": "custom"
                        },
                        {
                            "version": "21.3",
                            "status": "affected",
                            "lessThan": "21.3R3-S3",
                            "versionType": "custom"
                        },
                        {
                            "version": "21.4",
                            "status": "affected",
                            "lessThan": "21.4R3",
                            "versionType": "custom"
                        },
                        {
                            "version": "22.1",
                            "status": "affected",
                            "lessThan": "22.1R2-S1, 22.1R3",
                            "versionType": "custom"
                        },
                        {
                            "version": "22.2",
                            "status": "affected",
                            "lessThan": "22.2R1-S2, 22.2R2",
                            "versionType": "custom"
                        }
                    ],
                    "platforms": [
                        "MX Series, SRX Series"
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://kb.juniper.net/JSA70211"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "description": "CWE-787 Out-of-bounds Write",
                            "cweId": "CWE-787"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "type": "text",
                            "lang": "en",
                            "description": "Denial of Service (DoS)"
                        }
                    ]
                }
            ],
            "x_generator": {
                "engine": "Vulnogram 0.0.9"
            },
            "source": {
                "advisory": "JSA70211",
                "defect": [
                    "1666996"
                ],
                "discovery": "USER"
            },
            "configurations": [
                {
                    "lang": "en",
                    "value": "To be affected the H.323 ALG needs to be enabled, either implicitly / by default or by way of configuration. Please verify with:\n\nCheck if H.323 ALG is enabled by default with:\n  user@host> show security alg status | match H323\n    H323      : Enabled\n\nConfigure H.323 ALG to receive incoming calls with following commands.\n  [set interfaces ge-0/0/0 unit 0 family inet address 10.1.1.1/24]\n  [set interfaces ge-0/0/1 unit 0 family inet address 172.16.1.1/24]\n  [set security zones security-zone private address-book address IP-Phone1 10.1.1.5/32]  \n  [set security zones security-zone private address-book address gatekeeper 10.1.1.25/32 ]\n  [set security zones security-zone private interfaces ge-0/0/0.0  ]\n  [set security zones security-zone public address-book address IP-Phone2 172.16.1.5/32 ]\n  [set security zones security-zone public interfaces ge-0/0/1.0]\n  [set security policies from-zone private to-zone public policy private-to-public match source-address IP-Phone1 ]\n  [set security policies from-zone private to-zone public policy private-to-public match source-address gatekeeper ]\n  [set security policies from-zone private to-zone public policy private-to-public match destination-address IP-Phone2 ]\n  [set security policies from-zone private to-zone public policy private-to-public match application junos-h323 ]\n  [set security policies from-zone private to-zone public policy private-to-public then permit ]\n  [set security policies from-zone public to-zone private policy public-to-private match source-address IP-Phone2 ]\n  [set security policies from-zone public to-zone private policy public-to-private match destination-address IP-Phone1 ]\n  [set security policies from-zone public to-zone private policy public-to-private match destination-address gatekeeper]\n  [set security policies from-zone public to-zone private policy public-to-private match application junos-h323 ]\n  [set security policies from-zone public to-zone private policy public-to-private then permit ]\n"
                }
            ],
            "workarounds": [
                {
                    "lang": "en",
                    "value": "There are no known workarounds for this issue, but it should be considered to disable the H.323 ALG if it's not strictly needed."
                }
            ],
            "exploits": [
                {
                    "lang": "en",
                    "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "The following software releases have been updated to resolve this specific issue: 19.4R3-S10, 20.2R3-S6, 20.3R3-S6, 20.4R3-S5, 21.1R3-S4, 21.2R3-S3, 21.3R3-S3, 21.4R3, 22.1R2-S1, 22.1R3, 22.2R1-S2, 22.2R2, 22.3R1, and all subsequent releases."
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T10:07:06.541Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://kb.juniper.net/JSA70211",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}