CVE-2017-7393

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2017-03-31T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), an authenticated client can cause a double free, leading to denial of service or potentially code execution."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-01-12T10:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "RHSA-2017:2000", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2017:2000"}, {"name": "97305", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/97305"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/TigerVNC/tigervnc/pull/438"}, {"name": "GLSA-201801-13", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201801-13"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2017-7393", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), an authenticated client can cause a double free, leading to denial of service or potentially code execution."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "RHSA-2017:2000", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2017:2000"}, {"name": "97305", "refsource": "BID", "url": "http://www.securityfocus.com/bid/97305"}, {"name": "https://github.com/TigerVNC/tigervnc/pull/438", "refsource": "CONFIRM", "url": "https://github.com/TigerVNC/tigervnc/pull/438"}, {"name": "GLSA-201801-13", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201801-13"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T16:04:10.588Z"}, "title": "CVE Program Container", "references": [{"name": "RHSA-2017:2000", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2017:2000"}, {"name": "97305", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/97305"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/TigerVNC/tigervnc/pull/438"}, {"name": "GLSA-201801-13", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/201801-13"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2017-7393", "datePublished": "2017-04-01T01:07:00.000Z", "dateReserved": "2017-03-31T00:00:00.000Z", "dateUpdated": "2024-08-05T16:04:10.588Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tigervnc:tigervnc:1.7.1:*:*:*:*:*:*:*", "matchCriteriaId": "E9E2F74C-00F6-4FA1-9C57-76F27E6A731C", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), an authenticated client can cause a double free, leading to denial of service or potentially code execution."}, {"lang": "es", "value": "En TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), un cliente autenticado puede provocar una liberaci\u00f3n doble, conduciendo a denegaci\u00f3n de servicio o potencialmente ejecuci\u00f3n de c\u00f3digo."}], "id": "CVE-2017-7393", "lastModified": "2026-06-17T01:24:15.610", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-04-01T02:59:00.303", "references": [{"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/97305"}, {"source": "cve@mitre.org", "url": "https://access.redhat.com/errata/RHSA-2017:2000"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/TigerVNC/tigervnc/pull/438"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/201801-13"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/97305"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2017:2000"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/TigerVNC/tigervnc/pull/438"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201801-13"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2017:2000", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "fltk-0:1.3.4-1.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-08-01T00:00:00Z"}, {"advisory": "RHSA-2017:2000", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "tigervnc-0:1.8.0-1.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-08-01T00:00:00Z"}], "bugzilla": {"description": "tigervnc: Double free via crafted fences", "id": "1438697", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1438697"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), an authenticated client can cause a double free, leading to denial of service or potentially code execution.", "A double free flaw was found in the way TigerVNC handled ClientFence messages. A remote, authenticated attacker could use this flaw to make Xvnc crash by sending specially crafted ClientFence messages, resulting in denial of service."], "name": "CVE-2017-7393", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "tigervnc", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2017-03-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-7393\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7393"], "threat_severity": "Moderate"}

{}