CVE-2019-9648

Core FTP Server FTP / SFTP Server v2 Build 674 - 'SIZE' Directory Traversal

Severity Score

5.3

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with a \..\..\ substring, allowing an attacker to enumerate file existence based on the returned information.

Se ha descubierto un problema en el componente SFTP Server en Core FTP 2.0 Build 674. Existe una vulnerabilidad de salto de directorio empleando el comando SIZE junto con una subcadena \..\..\, lo que permite que un atacante enumere la existencia de archivos basándose en la información devuelta.

CoreFTP Server FTP and SFTP Server version 2 build 674 suffer from a directory traversal vulnerability. By utilizing a directory traversal along with the FTP SIZE command, an attacker can browse outside the root directory to determine if a file exists based on return file size by using a ..\..\ technique.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-03-10 CVE Reserved
2019-03-11 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-08-12 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CAPEC

References (6)

URL	Tag	Source
http://packetstormsecurity.com/files/154204/CoreFTP-Server-SIZE-Directory-Traversal.html	X_refsource_misc
http://seclists.org/fulldisclosure/2019/Aug/21	Mailing List
http://www.securityfocus.com/bid/107446	Third Party Advisory

URL	Date	SRC
https://www.exploit-db.com/exploits/46535	2024-08-04
https://seclists.org/fulldisclosure/2019/Mar/23	2024-08-04

URL	Date	SRC

URL	Date	SRC
http://www.coreftp.com/forums/viewtopic.php?f=15&t=4022509	2019-08-26

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Coreftp Search vendor "Coreftp"		Core Ftp Search vendor "Coreftp" for product "Core Ftp"				2.0 Search vendor "Coreftp" for product "Core Ftp" and version "2.0"		-		Affected