cvelist/2020/15xxx/CVE-2020-15117.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2020-15117",
        "STATE": "PUBLIC",
        "TITLE": "Denial of Service in Synergy"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "synergy-core",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "< 1.12.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "symless"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In Synergy before version 1.12.0, a Synergy server can be crashed by receiving a kMsgHelloBack packet with a client name length set to 0xffffffff (4294967295) if the servers memory is less than 4 GB. It was verified that this issue does not cause a crash through the exception handler if the available memory of the Server is more than 4GB."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "{\"CWE-755\":\"Improper Handling of Exceptional Conditions\"}"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/symless/synergy-core/security/advisories/GHSA-chfm-333q-gfpp",
                "refsource": "CONFIRM",
                "url": "https://github.com/symless/synergy-core/security/advisories/GHSA-chfm-333q-gfpp"
            },
            {
                "name": "https://github.com/symless/synergy-core/commit/0a97c2be0da2d0df25cb86dfd642429e7a8bea39",
                "refsource": "MISC",
                "url": "https://github.com/symless/synergy-core/commit/0a97c2be0da2d0df25cb86dfd642429e7a8bea39"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-cc19e88a1f",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VFDEQED64YLWQK2TF73EMXZDYX7YT2DD/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-2ef60a0580",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WAQYCMBWNVCIEM27NPIKK3DGJCNBYLAK/"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-chfm-333q-gfpp",
        "discovery": "UNKNOWN"
    }
}