CVE-2020-8815 - Vulnerability Details - OpenCVE

Improper connection handling in the base connection handler in IKTeam BearFTP before v0.3.1 allows a remote attacker to achieve denial of service via a Slowloris approach by sending a large volume of small packets.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.01692.

Key SSVC decision points have not yet been added.

Vendors	Products
Iktm	Bearftp

Configuration 1 [-]

cpe:2.3:a:iktm:bearftp:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2020-29663	Improper connection handling in the base connection handler in IKTeam BearFTP before v0.3.1 allows a remote attacker to achieve denial of service via a Slowloris approach by sending a large volume of small packets.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/kolya5544/BearFTP
https://github.com/kolya5544/BearFTP/blob/f5a8047587c1a96456d4f291c12b038b9ab0d0c5/BearFTP/Program.cs#L503-L525
https://github.com/kolya5544/BearFTP/commit/17a6ead72d4a25cbfcef5e27613aa0a5f88a4b26
https://github.com/kolya5544/BearFTP/commit/66dc9d95e58bca133f265457d32007cdf38b66ad
https://github.com/kolya5544/BearFTP/releases/tag/0.4.0

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-02-12T14:39:23

Updated: 2024-08-04T10:12:10.565Z

Reserved: 2020-02-10T00:00:00

Link: CVE-2020-8815

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-02-12T15:15:14.803

Modified: 2024-11-21T05:39:29.583

Link: CVE-2020-8815

Redhat

No data.

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Improper connection handling in the base connection handler in IKTeam BearFTP before v0.3.1 allows a remote attacker to achieve denial of service via a Slowloris approach by sending a large volume of small packets."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-02-12T14:39:23", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/kolya5544/BearFTP"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/kolya5544/BearFTP/blob/f5a8047587c1a96456d4f291c12b038b9ab0d0c5/BearFTP/Program.cs#L503-L525"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/kolya5544/BearFTP/commit/17a6ead72d4a25cbfcef5e27613aa0a5f88a4b26"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/kolya5544/BearFTP/commit/66dc9d95e58bca133f265457d32007cdf38b66ad"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/kolya5544/BearFTP/releases/tag/0.4.0"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-8815", "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": "Improper connection handling in the base connection handler in IKTeam BearFTP before v0.3.1 allows a remote attacker to achieve denial of service via a Slowloris approach by sending a large volume of small packets."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/kolya5544/BearFTP", "refsource": "MISC", "url": "https://github.com/kolya5544/BearFTP"}, {"name": "https://github.com/kolya5544/BearFTP/blob/f5a8047587c1a96456d4f291c12b038b9ab0d0c5/BearFTP/Program.cs#L503-L525", "refsource": "MISC", "url": "https://github.com/kolya5544/BearFTP/blob/f5a8047587c1a96456d4f291c12b038b9ab0d0c5/BearFTP/Program.cs#L503-L525"}, {"name": "https://github.com/kolya5544/BearFTP/commit/17a6ead72d4a25cbfcef5e27613aa0a5f88a4b26", "refsource": "CONFIRM", "url": "https://github.com/kolya5544/BearFTP/commit/17a6ead72d4a25cbfcef5e27613aa0a5f88a4b26"}, {"name": "https://github.com/kolya5544/BearFTP/commit/66dc9d95e58bca133f265457d32007cdf38b66ad", "refsource": "MISC", "url": "https://github.com/kolya5544/BearFTP/commit/66dc9d95e58bca133f265457d32007cdf38b66ad"}, {"name": "https://github.com/kolya5544/BearFTP/releases/tag/0.4.0", "refsource": "CONFIRM", "url": "https://github.com/kolya5544/BearFTP/releases/tag/0.4.0"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T10:12:10.565Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/kolya5544/BearFTP"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/kolya5544/BearFTP/blob/f5a8047587c1a96456d4f291c12b038b9ab0d0c5/BearFTP/Program.cs#L503-L525"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/kolya5544/BearFTP/commit/17a6ead72d4a25cbfcef5e27613aa0a5f88a4b26"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/kolya5544/BearFTP/commit/66dc9d95e58bca133f265457d32007cdf38b66ad"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/kolya5544/BearFTP/releases/tag/0.4.0"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-8815", "datePublished": "2020-02-12T14:39:23", "dateReserved": "2020-02-10T00:00:00", "dateUpdated": "2024-08-04T10:12:10.565Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:iktm:bearftp:*:*:*:*:*:*:*:*", "matchCriteriaId": "7B3A67F1-FB51-47EF-ADC5-E099C79FF879", "versionEndExcluding": "0.3.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Improper connection handling in the base connection handler in IKTeam BearFTP before v0.3.1 allows a remote attacker to achieve denial of service via a Slowloris approach by sending a large volume of small packets."}, {"lang": "es", "value": "Un manejo inapropiado de la conexi\u00f3n en el manejador de conexi\u00f3n base en IKTeam BearFTP versiones anteriores a v0.3.1 permite a un atacante remoto alcanzar una denegaci\u00f3n de servicio por medio de un enfoque de Slowloris mediante el env\u00edo de un gran volumen de paquetes peque\u00f1os."}], "id": "CVE-2020-8815", "lastModified": "2024-11-21T05:39:29.583", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-02-12T15:15:14.803", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/kolya5544/BearFTP"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/kolya5544/BearFTP/blob/f5a8047587c1a96456d4f291c12b038b9ab0d0c5/BearFTP/Program.cs#L503-L525"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/kolya5544/BearFTP/commit/17a6ead72d4a25cbfcef5e27613aa0a5f88a4b26"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/kolya5544/BearFTP/commit/66dc9d95e58bca133f265457d32007cdf38b66ad"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/kolya5544/BearFTP/releases/tag/0.4.0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/kolya5544/BearFTP"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/kolya5544/BearFTP/blob/f5a8047587c1a96456d4f291c12b038b9ab0d0c5/BearFTP/Program.cs#L503-L525"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/kolya5544/BearFTP/commit/17a6ead72d4a25cbfcef5e27613aa0a5f88a4b26"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/kolya5544/BearFTP/commit/66dc9d95e58bca133f265457d32007cdf38b66ad"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/kolya5544/BearFTP/releases/tag/0.4.0"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}