UBUNTU-CVE-2015-3238

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    UBUNTU-CVE-2015-3238

    Published: 24 Aug 2015Last Modified: 22 Apr 2026
    Upstream:
    CVE-2015-3238
    Aliases:
    USN-2935-1

    Summary:

    Details: The _unix_run_helper_binary function in the pam_unix module in Linux-PAM (aka pam) before 1.2.1, when unable to directly access passwords, allows local users to enumerate usernames or cause a denial of service (hang) via a large password.

    References: https://ubuntu.com/security/CVE-2015-3238, https://www.redhat.com/archives/pam-list/2015-June/msg00001.html, https://ubuntu.com/security/notices/USN-2935-1, https://www.cve.org/CVERecord?id=CVE-2015-3238

    Affected packages

    Package

    Name: pam

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.1.8-1ubuntu2.1

    Affected versions

    1.1.3-8ubuntu3
    1.1.3-10ubuntu1
    1.1.3-11ubuntu1
    1.1.8-1ubuntu1
    1.1.8-1ubuntu2

    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