{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2018-02-06T00:00:00", "descriptions": [{"lang": "en", "value": "Suricata before 4.0.4 is prone to an HTTP detection bypass vulnerability in detect.c and stream-tcp.c. If a malicious server breaks a normal TCP flow and sends data before the 3-way handshake is complete, then the data sent by the malicious server will be accepted by web clients such as a web browser or Linux CLI utilities, but ignored by Suricata IDS signatures. This mostly affects IDS signatures for the HTTP protocol and TCP stream content; signatures for TCP packets will inspect such network traffic as usual."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-12-05T10:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/OISF/suricata/pull/3202/commits/e1ef57c848bbe4e567d5d4b66d346a742e3f77a1"}, {"name": "[debian-lts-announce] 20181204 [SECURITY] [DLA 1603-1] suricata security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00000.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://redmine.openinfosecfoundation.org/issues/2427"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://suricata-ids.org/2018/02/14/suricata-4-0-4-available/"}, {"name": "44247", "tags": ["exploit", "x_refsource_EXPLOIT-DB"], "url": "https://www.exploit-db.com/exploits/44247/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-6794", "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": "Suricata before 4.0.4 is prone to an HTTP detection bypass vulnerability in detect.c and stream-tcp.c. If a malicious server breaks a normal TCP flow and sends data before the 3-way handshake is complete, then the data sent by the malicious server will be accepted by web clients such as a web browser or Linux CLI utilities, but ignored by Suricata IDS signatures. This mostly affects IDS signatures for the HTTP protocol and TCP stream content; signatures for TCP packets will inspect such network traffic as usual."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/OISF/suricata/pull/3202/commits/e1ef57c848bbe4e567d5d4b66d346a742e3f77a1", "refsource": "CONFIRM", "url": "https://github.com/OISF/suricata/pull/3202/commits/e1ef57c848bbe4e567d5d4b66d346a742e3f77a1"}, {"name": "[debian-lts-announce] 20181204 [SECURITY] [DLA 1603-1] suricata security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00000.html"}, {"name": "https://redmine.openinfosecfoundation.org/issues/2427", "refsource": "CONFIRM", "url": "https://redmine.openinfosecfoundation.org/issues/2427"}, {"name": "https://suricata-ids.org/2018/02/14/suricata-4-0-4-available/", "refsource": "CONFIRM", "url": "https://suricata-ids.org/2018/02/14/suricata-4-0-4-available/"}, {"name": "44247", "refsource": "EXPLOIT-DB", "url": "https://www.exploit-db.com/exploits/44247/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T06:10:11.364Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/OISF/suricata/pull/3202/commits/e1ef57c848bbe4e567d5d4b66d346a742e3f77a1"}, {"name": "[debian-lts-announce] 20181204 [SECURITY] [DLA 1603-1] suricata security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00000.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://redmine.openinfosecfoundation.org/issues/2427"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://suricata-ids.org/2018/02/14/suricata-4-0-4-available/"}, {"name": "44247", "tags": ["exploit", "x_refsource_EXPLOIT-DB", "x_transferred"], "url": "https://www.exploit-db.com/exploits/44247/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2018-6794", "datePublished": "2018-02-07T05:00:00", "dateReserved": "2018-02-06T00:00:00", "dateUpdated": "2024-08-05T06:10:11.364Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:suricata-ids:suricata:*:*:*:*:*:*:*:*", "matchCriteriaId": "8BF4519B-F9BA-4476-B76E-BD28796301E8", "versionEndExcluding": "4.0.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Suricata before 4.0.4 is prone to an HTTP detection bypass vulnerability in detect.c and stream-tcp.c. If a malicious server breaks a normal TCP flow and sends data before the 3-way handshake is complete, then the data sent by the malicious server will be accepted by web clients such as a web browser or Linux CLI utilities, but ignored by Suricata IDS signatures. This mostly affects IDS signatures for the HTTP protocol and TCP stream content; signatures for TCP packets will inspect such network traffic as usual."}, {"lang": "es", "value": "Suricata en versiones anteriores a la 4.0.4 es propenso a una vulnerabilidad de omisi\u00f3n de detecci\u00f3n HTTP en detect.c y stream-tcp.c. Si un servidor malicioso interrumpe un flujo TCP normal y env\u00eda datos antes de que se complete el handshake tridireccional, los datos enviados por el servidor malicioso se aceptar\u00e1n por parte de clientes web como el navegador web o herramientas de interfaz de l\u00ednea de comandos de Linux, pero las firmas IDS de Suricata los ignorar\u00e1n. Esto afecta a la mayor\u00eda de firmas IDS para el contenido del flujo TCP y los protocolos HTTP. Las firmas para los paquetes TCP inspeccionar\u00e1n ese tr\u00e1fico de red como de costumbre."}], "id": "CVE-2018-6794", "lastModified": "2024-11-21T04:11:12.810", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-02-07T05:29:00.260", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/OISF/suricata/pull/3202/commits/e1ef57c848bbe4e567d5d4b66d346a742e3f77a1"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00000.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://redmine.openinfosecfoundation.org/issues/2427"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://suricata-ids.org/2018/02/14/suricata-4-0-4-available/"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "https://www.exploit-db.com/exploits/44247/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/OISF/suricata/pull/3202/commits/e1ef57c848bbe4e567d5d4b66d346a742e3f77a1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00000.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://redmine.openinfosecfoundation.org/issues/2427"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://suricata-ids.org/2018/02/14/suricata-4-0-4-available/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "https://www.exploit-db.com/exploits/44247/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-693"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}