{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-12-14T13:06:48.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433"}, {"tags": ["x_refsource_MISC"], "url": "https://www.openwall.com/lists/oss-security/2020/06/30/2"}, {"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1852356"}, {"name": "[oss-security] 20200630 Re: libvncserver: old websocket decoding patch", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2020/06/30/3"}, {"name": "openSUSE-SU-2020:0960", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00020.html"}, {"name": "FEDORA-2020-37112ac660", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/"}, {"name": "USN-4407-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/4407-1/"}, {"name": "FEDORA-2020-1a4b1c8271", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/"}, {"name": "openSUSE-SU-2020:0978", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00028.html"}, {"name": "openSUSE-SU-2020:0988", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html"}, {"name": "openSUSE-SU-2020:1025", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html"}, {"name": "openSUSE-SU-2020:1056", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2017-18922", "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": "It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433", "refsource": "MISC", "url": "https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433"}, {"name": "https://www.openwall.com/lists/oss-security/2020/06/30/2", "refsource": "MISC", "url": "https://www.openwall.com/lists/oss-security/2020/06/30/2"}, {"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1852356", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1852356"}, {"name": "[oss-security] 20200630 Re: libvncserver: old websocket decoding patch", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2020/06/30/3"}, {"name": "openSUSE-SU-2020:0960", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00020.html"}, {"name": "FEDORA-2020-37112ac660", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/"}, {"name": "USN-4407-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4407-1/"}, {"name": "FEDORA-2020-1a4b1c8271", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/"}, {"name": "openSUSE-SU-2020:0978", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00028.html"}, {"name": "openSUSE-SU-2020:0988", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html"}, {"name": "openSUSE-SU-2020:1025", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html"}, {"name": "openSUSE-SU-2020:1056", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html"}, {"name": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf", "refsource": "CONFIRM", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T21:45:24.570Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.openwall.com/lists/oss-security/2020/06/30/2"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1852356"}, {"name": "[oss-security] 20200630 Re: libvncserver: old websocket decoding patch", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2020/06/30/3"}, {"name": "openSUSE-SU-2020:0960", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00020.html"}, {"name": "FEDORA-2020-37112ac660", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/"}, {"name": "USN-4407-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/4407-1/"}, {"name": "FEDORA-2020-1a4b1c8271", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/"}, {"name": "openSUSE-SU-2020:0978", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00028.html"}, {"name": "openSUSE-SU-2020:0988", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html"}, {"name": "openSUSE-SU-2020:1025", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html"}, {"name": "openSUSE-SU-2020:1056", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2017-18922", "datePublished": "2020-06-30T11:00:01.000Z", "dateReserved": "2020-06-30T00:00:00.000Z", "dateUpdated": "2024-08-05T21:45:24.570Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:*", "matchCriteriaId": "8A3F7478-C54D-43A6-85A5-5AB59D446D75", "versionEndExcluding": "0.9.12", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*", "matchCriteriaId": "A31C8344-3E02-4EB8-8BD8-4C84B7959624", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*", "matchCriteriaId": "902B8056-9E37-443B-8905-8AA93E2447FB", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493", "vulnerable": true}, {"criteria": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "matchCriteriaId": "B009C22E-30A4-4288-BCF6-C3E81DEAF45A", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "3A664216-EEA0-423F-8E11-59C746FDEEFE", "versionEndExcluding": "3.2.1.0", "versionStartIncluding": "3.0.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_itc1500:-:*:*:*:*:*:*:*", "matchCriteriaId": "9596C8CD-B03F-4E9D-82AB-0986FDD1B47C", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "CD78291E-48D8-4718-AE14-BDF93BD557D7", "versionEndExcluding": "3.2.1.0", "versionStartIncluding": "3.0.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_itc1500_pro:-:*:*:*:*:*:*:*", "matchCriteriaId": "5BB898D3-07A3-42A1-8F1B-53C3B005982D", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "AD1209DE-2724-493D-8276-1BE959BFE6BF", "versionEndExcluding": "3.2.1.0", "versionStartIncluding": "3.0.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_itc1900:-:*:*:*:*:*:*:*", "matchCriteriaId": "6A9143A6-A93A-45CA-8A1F-6EE30647B54A", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "92F7FC17-F19F-4BD6-9704-49B67D22B532", "versionEndExcluding": "3.2.1.0", "versionStartIncluding": "3.0.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_itc1900_pro:-:*:*:*:*:*:*:*", "matchCriteriaId": "3D34BD13-4E71-48A2-851D-AE7CE2A03C28", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "FE4A6F13-385B-4A13-B8D8-3BBC4E9D5B67", "versionEndExcluding": "3.2.1.0", "versionStartIncluding": "3.0.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_itc2200:-:*:*:*:*:*:*:*", "matchCriteriaId": "3E63E423-7450-4043-B33B-3FFF5BBE1CB2", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "71A51CA4-1A62-47BC-99A3-4DC9F3986FF5", "versionEndExcluding": "3.2.1.0", "versionStartIncluding": "3.0.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_itc2200_pro:-:*:*:*:*:*:*:*", "matchCriteriaId": "CD278558-AB0E-4FC1-9E5B-6B57D29CB86A", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow."}, {"lang": "es", "value": "Se detect\u00f3 que el archivo websockets.c en LibVNCServer versiones anteriores a 0.9.12, no decodificaba apropiadamente determinados tramas de WebSocket. Un atacante malicioso podr\u00eda explotar esto mediante el env\u00edo de tramas de WebSocket especialmente dise\u00f1adas hacia un servidor, causando un desbordamiento del b\u00fafer en la regi\u00f3n heap de la memoria"}], "id": "CVE-2017-18922", "lastModified": "2024-11-21T03:21:16.067", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-06-30T11:15:10.380", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00020.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00028.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/06/30/3"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1852356"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://usn.ubuntu.com/4407-1/"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2020/06/30/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00020.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00028.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/06/30/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1852356"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://usn.ubuntu.com/4407-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2020/06/30/2"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2020:3281", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "libvncserver-0:0.9.9-14.el7_8.1", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3385", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "libvncserver-0:0.9.11-15.el8_2.1", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-08-10T00:00:00Z"}, {"advisory": "RHSA-2020:3588", "cpe": "cpe:/a:redhat:rhel_e4s:8.0", "package": "libvncserver-0:0.9.11-9.el8_0.3", "product_name": "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions", "release_date": "2020-09-01T00:00:00Z"}, {"advisory": "RHSA-2020:3456", "cpe": "cpe:/a:redhat:rhel_eus:8.1", "package": "libvncserver-0:0.9.11-9.el8_1.3", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2020-08-17T00:00:00Z"}], "bugzilla": {"description": "libvncserver: websocket decoding buffer overflow", "id": "1852356", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1852356"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-122", "details": ["It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow.", "A flaw was found in libvncserver. A heap-based buffer overflow within the websocket decoding functionality is possible, which can lead to exploitation by a malicious attacker to overwrite a function pointer. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability."], "name": "CVE-2017-18922", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "libvncserver", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2017-02-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-18922\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-18922"], "threat_severity": "Important"}

{}