MGASA-2017-0330

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    MGASA-2017-0330

    Published: 7 Sept 2017Last Modified: 16 Apr 2026
    Upstream:
    CVE-2017-2625

    Summary: Updated libxdmcp packages fix security vulnerability

    Details: XDM uses weak entropy to generate the session keys on non BSD systems. On multi user systems it might possible to check the PID of the process and how long it is running to get an estimate of these values, which could allow an attacker to attach to the session of a different user (CVE-2017-2625).

    References: https://advisories.mageia.org/MGASA-2017-0330.html, https://bugs.mageia.org/show_bug.cgi?id=20377, https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/

    Affected packages

    Package

    Name: libxdmcp

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.1.1-7.1.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