cvelist/2021/38xxx/CVE-2021-38435.json

{
    "CVE_data_meta": {
        "ASSIGNER": "ics-cert@hq.dhs.gov",
        "ID": "CVE-2021-38435",
        "STATE": "PUBLIC",
        "TITLE": "RTI Connext DDS Professional and Connext DDS Secure Incorrect Calculation of Buffer Size"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Connext DDS Professional",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "4.2x",
                                            "version_value": "6.1.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Connext DDS Secure",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "4.2x",
                                            "version_value": "6.1.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "RTI"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Federico Maggi (Trend Micro Research), Ta-Lun Yen, and Chizuru Toyama (TXOne Networks, Trend Micro) reported these vulnerabilities to CISA. In addition, Patrick Kuo, Mars Cheng (TXOne Networks, Trend Micro), V\u00edctor Mayoral-Vilches (Alias Robotics), and Erik Boasson (ADLINK Technology) also contributed to this research."
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "RTI Connext DDS Professional and Connext DDS Secure Versions 4.2x to 6.1.0 not correctly calculate the size when allocating the buffer, which may result in a buffer overflow."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-131 Incorrect Calculation of Buffer Size"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02",
                "refsource": "CONFIRM",
                "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02"
            },
            {
                "name": "https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F",
                "refsource": "CONFIRM",
                "url": "https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "RTI recommends users apply the available patches for these issues. A patch is available on the RTI customer portal or by contacting RTI Support. Also, contact RTI Support for mitigations, including how to use RTI DDS Secure to mitigate against the network amplification issue."
        }
    ],
    "source": {
        "discovery": "EXTERNAL"
    }
}