cvelist/2021/42xxx/CVE-2021-42785.json

{
    "CVE_data_meta": {
        "ASSIGNER": "cve_disclosure@tech.gov.sg",
        "ID": "CVE-2021-42785",
        "STATE": "PUBLIC",
        "TITLE": "Buffer Overflow in tvnviewer.exe via Crafted Packet in TightVNC Viewer 2.8.59"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "TightVNC Viewer",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "2.8.59",
                                            "version_value": "2.8.59"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "GlavSoft LLC"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Eugene Lim from Government Technology Agency of Singapore"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Buffer Overflow vulnerability in tvnviewer.exe of TightVNC Viewer allows a remote attacker to execute arbitrary instructions via a crafted FramebufferUpdate packet from a VNC server."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-120 Buffer Overflow"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://www.tightvnc.com/whatsnew.php",
                "name": "https://www.tightvnc.com/whatsnew.php"
            }
        ]
    },
    "source": {
        "discovery": "EXTERNAL"
    }
}