CVE-2019-9649

An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. Using the MDTM FTP command, a remote attacker can use a directory traversal technique (..\..\) to browse outside the root directory to determine the existence of a file on the operating system, and its last modified date.

CVSS v3.0 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3.0 : MEDIUM

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://www.exploit-db.com/exploits/46534	Exploit Third Party Advisory VDB Entry
https://seclists.org/fulldisclosure/2019/Mar/25	Exploit Mailing List Third Party Advisory
http://www.securityfocus.com/bid/107449	Third Party Advisory VDB Entry
http://www.coreftp.com/forums/viewtopic.php?f=15&t=4022509	Product Vendor Advisory
http://seclists.org/fulldisclosure/2019/Aug/22
http://packetstormsecurity.com/files/154205/CoreFTP-Server-MDTM-Directory-Traversal.html

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:coreftp:core_ftp:2.0:*:*:*:*:*:*:*

Information

Published : 2019-03-22 13:29

Updated : 2019-08-26 00:15

NVD link : CVE-2019-9649

Mitre link : CVE-2019-9649

JSON object : View

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Advertisement

Products Affected

coreftp

core_ftp

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.exploit-db.com/exploits/46534", "name": "46534", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "refsource": "EXPLOIT-DB"}, {"url": "https://seclists.org/fulldisclosure/2019/Mar/25", "name": "20190311 CVE-2019-9649 CoreFTP FTP / SFTP Server v2 - Build 674 MDTM\tDirectory Traversal", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "refsource": "FULLDISC"}, {"url": "http://www.securityfocus.com/bid/107449", "name": "107449", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}, {"url": "http://www.coreftp.com/forums/viewtopic.php?f=15&t=4022509", "name": "http://www.coreftp.com/forums/viewtopic.php?f=15&t=4022509", "tags": ["Product", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://seclists.org/fulldisclosure/2019/Aug/22", "name": "20190825 CoreFTP Server FTP / SFTP Server v2 - Build 674 MDTM Directory Traversal (Metasploit) Exploit", "tags": [], "refsource": "FULLDISC"}, {"url": "http://packetstormsecurity.com/files/154205/CoreFTP-Server-MDTM-Directory-Traversal.html", "name": "http://packetstormsecurity.com/files/154205/CoreFTP-Server-MDTM-Directory-Traversal.html", "tags": [], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. Using the MDTM FTP command, a remote attacker can use a directory traversal technique (..\\..\\) to browse outside the root directory to determine the existence of a file on the operating system, and its last modified date."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-22"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-9649", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}}, "publishedDate": "2019-03-22T20:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:coreftp:core_ftp:2.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2019-08-26T07:15Z"}