MGASA-2015-0485

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    MGASA-2015-0485

    Published: 24 Dec 2015Last Modified: 16 Apr 2026

    Summary: Updated proftpd packages fix security vulnerabilities

    Details: Updated proftpd packages fix security vulnerability: Part of the SFTP handshake involves "extensions", which are key/value pairs, comprised of strings. In SSH, strings are encoded for network transport as a 32-bit length, followed by the bytes. The mod_sftp module currently places no bounds/length limitations when reading these SFTP extension key/value data from the network. A malicious attacker might attempt to encode large values, and allocate more memory than is necessary, causing excessive resource usage or the FTP daemon to crash (proftpd#4210). This update also includes a fix for a crash in mod_lang (proftpd#4206).

    References: https://advisories.mageia.org/MGASA-2015-0485.html, https://bugs.mageia.org/show_bug.cgi?id=17336, http://bugs.proftpd.org/show_bug.cgi?id=4206, http://bugs.proftpd.org/show_bug.cgi?id=4210, https://lists.fedoraproject.org/pipermail/package-announce/2015-November/171090.html, https://lists.fedoraproject.org/pipermail/package-announce/2015-December/173656.html

    Affected packages

    Package

    Name: proftpd

    Purl: pkg:rpm/mageia/proftpd?arch=source&distro=mageia-5

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.3.5-5.1.mga5

    Affected versions

    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
    MGASA-2015-0485 | CVE-DB