cve-2018-15443
Vulnerability from cvelistv5
Published
2018-11-08 17:00
Modified
2024-09-16 16:57
Severity ?
EPSS score ?
Summary
Cisco Firepower Detection Engine TCP Intrusion Prevention System Rule Bypass Vulnerability
References
▼ | URL | Tags | |
---|---|---|---|
ykramarz@cisco.com | http://www.securityfocus.com/bid/105870 | Third Party Advisory, VDB Entry | |
ykramarz@cisco.com | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181107-fde-tcp-bypass | Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
Cisco | Cisco Firepower Management Center |
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The vulnerability is due to incorrect TCP retransmission handling. An attacker could exploit this vulnerability by sending a crafted TCP connection request through an affected device. A successful exploit could allow the attacker to bypass configured IPS rules and allow uninspected traffic onto the network." } ], "exploits": [ { "lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory." } ], "metrics": [ { "cvssV3_0": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.0" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-400", "description": "CWE-400", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2018-11-10T10:57:02", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco" }, "references": [ { "name": "20181107 Cisco Firepower Detection Engine TCP Intrusion Prevention System Rule Bypass Vulnerability", "tags": [ "vendor-advisory", "x_refsource_CISCO" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181107-fde-tcp-bypass" }, { "name": "105870", "tags": [ "vdb-entry", "x_refsource_BID" ], "url": "http://www.securityfocus.com/bid/105870" } ], "source": { "advisory": "cisco-sa-20181107-fde-tcp-bypass", "defect": [ [ "CSCvk76547" ] ], "discovery": "INTERNAL" }, "title": "Cisco Firepower Detection Engine TCP Intrusion Prevention System Rule Bypass Vulnerability", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2018-11-07T16:00:00-0600", "ID": "CVE-2018-15443", "STATE": "PUBLIC", "TITLE": "Cisco Firepower Detection Engine TCP Intrusion Prevention System Rule Bypass Vulnerability" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Cisco Firepower Management Center", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "Cisco" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass a configured Intrusion Prevention System (IPS) rule that inspects certain types of TCP traffic. The vulnerability is due to incorrect TCP retransmission handling. An attacker could exploit this vulnerability by sending a crafted TCP connection request through an affected device. A successful exploit could allow the attacker to bypass configured IPS rules and allow uninspected traffic onto the network." } ] }, "exploit": [ { "lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory." } ], "impact": { "cvss": { "baseScore": "5.8", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.0" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-400" } ] } ] }, "references": { "reference_data": [ { "name": "20181107 Cisco Firepower Detection Engine TCP Intrusion Prevention System Rule Bypass Vulnerability", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181107-fde-tcp-bypass" }, { "name": "105870", "refsource": "BID", "url": "http://www.securityfocus.com/bid/105870" } ] }, "source": { "advisory": "cisco-sa-20181107-fde-tcp-bypass", "defect": [ [ "CSCvk76547" ] ], "discovery": "INTERNAL" } } } }, "cveMetadata": { "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2018-15443", "datePublished": "2018-11-08T17:00:00Z", "dateReserved": "2018-08-17T00:00:00", "dateUpdated": "2024-09-16T16:57:50.652Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2018-15443\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2018-11-08T17:29:00.653\",\"lastModified\":\"2019-10-09T23:35:38.423\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass a configured Intrusion Prevention System (IPS) rule that inspects certain types of TCP traffic. 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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.