{ "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" } }