UBUNTU-CVE-2015-3644

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    UBUNTU-CVE-2015-3644

    Published: 14 May 2015Last Modified: 16 Jul 2025
    Upstream:
    CVE-2015-3644

    Summary:

    Details: Stunnel 5.00 through 5.13, when using the redirect option, does not redirect client connections to the expected server after the initial connection, which allows remote attackers to bypass authentication.

    References: https://ubuntu.com/security/CVE-2015-3644, https://www.stunnel.org/CVE-2015-3644.html, https://www.cve.org/CVERecord?id=CVE-2015-3644

    Affected packages

    Package

    Name: stunnel4

    Purl: pkg:deb/ubuntu/stunnel4@3:5.18-1?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3:5.18-1

    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