GHSA-w393-h95m-f879

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    GHSA-w393-h95m-f879

    Published: 14 May 2022Last Modified: 10 Sept 2026
    Aliases:
    CVE-2019-9648

    Summary: CoreFTP Directory Traversal

    Details: 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.

    References: https://nvd.nist.gov/vuln/detail/CVE-2019-9648, https://github.com/sparkeh9/CoreFTP, https://seclists.org/fulldisclosure/2019/Mar/23, https://web.archive.org/web/20210125013812/https://www.securityfocus.com/bid/107446, https://www.exploit-db.com/exploits/46535, http://packetstormsecurity.com/files/154204/CoreFTP-Server-SIZE-Directory-Traversal.html, http://seclists.org/fulldisclosure/2019/Aug/21, http://www.coreftp.com/forums/viewtopic.php?f=15&t=4022509

    Affected packages

    Package

    Name: CoreFtp

    Purl: pkg:nuget/CoreFtp

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    1.0.0
    1.0.1
    1.0.10
    1.0.2
    1.0.3
    1.0.4
    1.0.5
    1.0.6
    1.0.7
    1.0.8
    1.0.9

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High