cvelist/2019/0xxx/CVE-2019-0055.json

{
    "CVE_data_meta": {
        "ASSIGNER": "sirt@juniper.net",
        "DATE_PUBLIC": "2019-10-09T16:00:00.000Z",
        "ID": "CVE-2019-0055",
        "STATE": "PUBLIC",
        "TITLE": "Junos OS: SRX Series: An attacker may cause flowd to crash by sending certain valid SIP traffic to a device with SIP ALG enabled."
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Junos OS",
                                "version": {
                                    "version_data": [
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "12.3X48",
                                            "version_value": "12.3X48-D61, 12.3X48-D65"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "15.1X49",
                                            "version_value": "15.1X49-D130"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "17.3",
                                            "version_value": "17.3R3"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "17.4",
                                            "version_value": "17.4R2"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Juniper Networks"
                }
            ]
        }
    },
    "configuration": [
        {
            "lang": "eng",
            "value": "This issue only affects SRX Series devices where SIP ALG is enabled.\nThe following minimum configuration is required: \n  set security alg sip \n"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability in the SIP ALG packet processing service of Juniper Networks Junos OS allows an attacker to cause a Denial of Service (DoS) to the device by sending specific types of valid SIP traffic to the device. In this case, the flowd process crashes and generates a core dump while processing SIP ALG traffic. Continued receipt of these valid SIP packets will result in a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS: 12.3X48 versions prior to 12.3X48-D61, 12.3X48-D65 on SRX Series; 15.1X49 versions prior to 15.1X49-D130 on SRX Series; 17.3 versions prior to 17.3R3 on SRX Series; 17.4 versions prior to 17.4R2 on SRX Series."
            }
        ]
    },
    "exploit": [
        {
            "lang": "eng",
            "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
        }
    ],
    "generator": {
        "engine": "Vulnogram 0.0.6"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-130 Improper Handling of Length Parameter Inconsistency "
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://kb.juniper.net/JSA10953",
                "name": "https://kb.juniper.net/JSA10953"
            },
            {
                "name": "https://www.juniper.net/documentation/en_US/junos/topics/topic-map/security-sip-alg.html",
                "refsource": "MLIST",
                "url": "https://www.juniper.net/documentation/en_US/junos/topics/topic-map/security-sip-alg.html"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "The following software releases have been updated to resolve this specific issue: 12.3X48-D61, 12.3X48-D65, 15.1X49-D130, 17.3R3, 17.4R2, 18.1R1, and all subsequent releases.\n"
        }
    ],
    "source": {
        "advisory": "JSA10953",
        "defect": [
            "1329170"
        ],
        "discovery": "USER"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "Disable SIP ALG if this is not needed, otherwise there are no viable workarounds for this issue."
        }
    ]
}