{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-36746",
        "ASSIGNER": "talos-cna@cisco.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 fstWritex len functionality of GTKWave 3.3.115. A specially crafted .fst file can lead to memory corruption. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the handling of `len` in `fstWritex` when parsing the time table."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer",
                        "cweId": "CWE-119"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "GTKWave",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "GTKWave",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.3.115"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1793",
                "refsource": "MISC",
                "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1793"
            },
            {
                "url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00007.html",
                "refsource": "MISC",
                "name": "https://lists.debian.org/debian-lts-announce/2024/04/msg00007.html"
            }
        ]
    },
    "credits": [
        {
            "lang": "en",
            "value": "Discovered by Claudio Bozzato of Cisco Talos."
        }
    ],
    "impact": {
        "cvss": [
            {
                "version": "3.1",
                "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "attackVector": "LOCAL",
                "attackComplexity": "HIGH",
                "privilegesRequired": "NONE",
                "userInteraction": "REQUIRED",
                "scope": "UNCHANGED",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "availabilityImpact": "HIGH",
                "baseScore": 7,
                "baseSeverity": "HIGH"
            }
        ]
    }
}