CVE-1999-1568 - Vulnerability Details - OpenCVE

Off-by-one error in NcFTPd FTP server before 2.4.1 allows a remote attacker to cause a denial of service (crash) via a long PORT command.

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 0.01684.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:ncftp:ncftpd_server:*:*:*:*:*:*:*:*

No data.

No data.

Project Subscriptions

Vendors	Products
Ncftp Subscribe	Ncftpd Server Subscribe

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://marc.info/?l=bugtraq&m=91981352617720&w=2
http://www.securityfocus.com/archive/1/12699
https://exchange.xforce.ibmcloud.com/vulnerabilities/1833

History

Thu, 16 Jan 2025 18:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2004-09-01T04:00:00

Updated: 2025-01-16T17:40:42.694Z

Reserved: 2001-08-31T00:00:00

Link: CVE-1999-1568

Vulnrichment

Updated: 2024-08-01T17:18:07.549Z

NVD

Status : Deferred

Published: 1999-01-01T05:00:00.000

Modified: 2025-04-03T01:03:51.193

Link: CVE-1999-1568

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-193

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "1999-02-23T00:00:00", "descriptions": [{"lang": "en", "value": "Off-by-one error in NcFTPd FTP server before 2.4.1 allows a remote attacker to cause a denial of service (crash) via a long PORT command."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2003-03-21T10:00:00", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "19990223 Comments on NcFTPd \"theoretical root compromise\"", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/12699"}, {"name": "ncftpd-port-bo(1833)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/1833"}, {"name": "19990223 NcFTPd remote buffer overflow", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://marc.info/?l=bugtraq&m=91981352617720&w=2"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-1999-1568", "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": "Off-by-one error in NcFTPd FTP server before 2.4.1 allows a remote attacker to cause a denial of service (crash) via a long PORT command."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "19990223 Comments on NcFTPd \"theoretical root compromise\"", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/12699"}, {"name": "ncftpd-port-bo(1833)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/1833"}, {"name": "19990223 NcFTPd remote buffer overflow", "refsource": "BUGTRAQ", "url": "http://marc.info/?l=bugtraq&m=91981352617720&w=2"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-01T17:18:07.549Z"}, "title": "CVE Program Container", "references": [{"name": "19990223 Comments on NcFTPd \"theoretical root compromise\"", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/12699"}, {"name": "ncftpd-port-bo(1833)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/1833"}, {"name": "19990223 NcFTPd remote buffer overflow", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://marc.info/?l=bugtraq&m=91981352617720&w=2"}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-193", "lang": "en", "description": "CWE-193 Off-by-one Error"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-01-16T17:39:39.255679Z", "id": "CVE-1999-1568", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-01-16T17:40:42.694Z"}}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-1999-1568", "datePublished": "2004-09-01T04:00:00", "dateReserved": "2001-08-31T00:00:00", "dateUpdated": "2025-01-16T17:40:42.694Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.securityfocus.com/archive/1/12699", "name": "19990223 Comments on NcFTPd \"theoretical root compromise\"", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"]}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/1833", "name": "ncftpd-port-bo(1833)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"]}, {"url": "http://marc.info/?l=bugtraq&m=91981352617720&w=2", "name": "19990223 NcFTPd remote buffer overflow", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-01T17:18:07.549Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-1999-1568", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-01-16T17:39:39.255679Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-193", "description": "CWE-193 Off-by-one Error"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-01-16T17:40:02.933Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "1999-02-23T00:00:00", "references": [{"url": "http://www.securityfocus.com/archive/1/12699", "name": "19990223 Comments on NcFTPd \"theoretical root compromise\"", "tags": ["mailing-list", "x_refsource_BUGTRAQ"]}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/1833", "name": "ncftpd-port-bo(1833)", "tags": ["vdb-entry", "x_refsource_XF"]}, {"url": "http://marc.info/?l=bugtraq&m=91981352617720&w=2", "name": "19990223 NcFTPd remote buffer overflow", "tags": ["mailing-list", "x_refsource_BUGTRAQ"]}], "descriptions": [{"lang": "en", "value": "Off-by-one error in NcFTPd FTP server before 2.4.1 allows a remote attacker to cause a denial of service (crash) via a long PORT command."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2003-03-21T10:00:00"}, "x_legacyV4Record": {"affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "n/a"}]}, "product_name": "n/a"}]}, "vendor_name": "n/a"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "http://www.securityfocus.com/archive/1/12699", "name": "19990223 Comments on NcFTPd \"theoretical root compromise\"", "refsource": "BUGTRAQ"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/1833", "name": "ncftpd-port-bo(1833)", "refsource": "XF"}, {"url": "http://marc.info/?l=bugtraq&m=91981352617720&w=2", "name": "19990223 NcFTPd remote buffer overflow", "refsource": "BUGTRAQ"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "Off-by-one error in NcFTPd FTP server before 2.4.1 allows a remote attacker to cause a denial of service (crash) via a long PORT command."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-1999-1568", "STATE": "PUBLIC", "ASSIGNER": "cve@mitre.org"}}}}, "cveMetadata": {"cveId": "CVE-1999-1568", "state": "PUBLISHED", "dateUpdated": "2025-01-16T17:40:42.694Z", "dateReserved": "2001-08-31T00:00:00", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2004-09-01T04:00:00", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ncftp:ncftpd_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "3D72A5C7-F7F3-41D4-A909-DBBD0B00C05E", "versionEndExcluding": "2.4.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Off-by-one error in NcFTPd FTP server before 2.4.1 allows a remote attacker to cause a denial of service (crash) via a long PORT command."}], "id": "CVE-1999-1568", "lastModified": "2025-04-03T01:03:51.193", "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"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "1999-01-01T05:00:00.000", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List"], "url": "http://marc.info/?l=bugtraq&m=91981352617720&w=2"}, {"source": "cve@mitre.org", "tags": ["Broken Link", "Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/archive/1/12699"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/1833"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "http://marc.info/?l=bugtraq&m=91981352617720&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/archive/1/12699"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/1833"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-193"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-193"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}