CVE-2020-6835

An issue was discovered in Bftpd before 5.4. There is a heap-based off-by-one error during file-transfer error checking.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://bftpd.sourceforge.net/news.html#302460	Third Party Advisory
https://fossies.org/linux/bftpd/CHANGELOG	Release Notes Third Party Advisory
http://bftpd.sourceforge.net/news.html#302460	Third Party Advisory
https://fossies.org/linux/bftpd/CHANGELOG	Release Notes Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:bftpd_project:bftpd:*:*:*:*:*:*:*:*

History

21 Nov 2024, 05:36

Type	Values Removed	Values Added
References	~~() http://bftpd.sourceforge.net/news.html#302460 - Third Party Advisory~~	() http://bftpd.sourceforge.net/news.html#302460 - Third Party Advisory
References	~~() https://fossies.org/linux/bftpd/CHANGELOG - Release Notes, Third Party Advisory~~	() https://fossies.org/linux/bftpd/CHANGELOG - Release Notes, Third Party Advisory

Information

Published : 2020-01-10 21:15

Updated : 2024-11-21 05:36

NVD link : CVE-2020-6835

Mitre link : CVE-2020-6835

CVE.ORG link : CVE-2020-6835

JSON object : View

Products Affected

bftpd_project

bftpd

CWE

CWE-193

Off-by-one Error

{"id": "CVE-2020-6835", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2020-01-10T21:15:12.123", "references": [{"url": "http://bftpd.sourceforge.net/news.html#302460", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://fossies.org/linux/bftpd/CHANGELOG", "tags": ["Release Notes", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://bftpd.sourceforge.net/news.html#302460", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://fossies.org/linux/bftpd/CHANGELOG", "tags": ["Release Notes", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-193"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Bftpd before 5.4. There is a heap-based off-by-one error during file-transfer error checking."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en Bftpd versiones anteriores a la versi\u00f3n 5.4. Hay un error por un paso en la regi\u00f3n heap de la memoria durante la comprobaci\u00f3n de errores de transferencia de archivos."}], "lastModified": "2024-11-21T05:36:15.777", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:bftpd_project:bftpd:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B95F9589-7C2A-4D25-84BA-B18D999A4C5A", "versionEndExcluding": "5.4"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}