{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2022-20968",
        "ASSIGNER": "psirt@cisco.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability in the Cisco Discovery Protocol processing feature of Cisco IP Phone 7800 and 8800 Series firmware could allow an unauthenticated, adjacent attacker to cause a stack overflow on an affected device.\r\n\r\nThis vulnerability is due to insufficient input validation of received Cisco Discovery Protocol packets. An attacker could exploit this vulnerability by sending crafted Cisco Discovery Protocol traffic to an affected device. A successful exploit could allow the attacker to cause a stack overflow, resulting in possible remote code execution or a denial of service (DoS) condition on an affected device."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Out-of-bounds Write",
                        "cweId": "CWE-787"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Cisco",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Cisco Session Initiation Protocol (SIP) Software",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "9.3(4) 3rd Party"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "9.3(4)SR3 3rd Party"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "9.3(4)SR1 3rd Party"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "9.3(4)SR2 3rd Party"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.5(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.7(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(0.7) MPP"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(1) MPP"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.5(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11-0-1MSR1-1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.4(1) 3rd Party"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1.11) 3rd Party"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.2(2)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.2(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.1(1.9)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.1(1)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.2(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.1(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.4(1)SR2 3rd Party"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)SR4b"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)SR5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1.9) 3rd Party"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(2)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)SR4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)SR3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.6(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.1(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.5(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.5(1)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.5(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.5(1)SR3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.6(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.7(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.1(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.0(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.0(1)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.0(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.0(1)SR3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.8(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.8(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.8(1)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)SR6"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)SR7"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.7(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.0(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.0(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.0(1)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.0(1)SR3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.1(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.1(1)SR1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipp-oobwrite-8cMF5r7U",
                "refsource": "MISC",
                "name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipp-oobwrite-8cMF5r7U"
            }
        ]
    },
    "source": {
        "advisory": "cisco-sa-ipp-oobwrite-8cMF5r7U",
        "discovery": "EXTERNAL",
        "defects": [
            "CSCwb28354"
        ]
    },
    "exploit": [
        {
            "lang": "en",
            "value": "The Cisco PSIRT is aware that proof-of-concept exploit code is available for the vulnerability described in this advisory and that this vulnerability has been publicly discussed.\r\n\r\nThe Cisco PSIRT is not aware of any malicious use of the vulnerability that is described in this advisory."
        }
    ],
    "impact": {
        "cvss": [
            {
                "version": "3.1",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
                "baseScore": 8.1,
                "baseSeverity": "HIGH",
                "attackVector": "ADJACENT_NETWORK",
                "attackComplexity": "LOW",
                "privilegesRequired": "NONE",
                "userInteraction": "NONE",
                "scope": "UNCHANGED",
                "confidentialityImpact": "NONE",
                "integrityImpact": "HIGH",
                "availabilityImpact": "HIGH"
            }
        ]
    }
}