UBUNTU-CVE-2019-9499

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    UBUNTU-CVE-2019-9499

    Published: 10 Apr 2019Last Modified: 4 Feb 2026
    Upstream:
    CVE-2019-9499
    Aliases:
    USN-3944-1

    Summary:

    Details: The implementations of EAP-PWD in wpa_supplicant EAP Peer, when built against a crypto library missing explicit validation on imported elements, do not validate the scalar and element values in EAP-pwd-Commit. An attacker may complete authentication, session key and control of the data connection with a client. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.4 are affected. Both hostapd with EAP-pwd support and wpa_supplicant with EAP-pwd support prior to and including version 2.7 are affected.

    References: https://ubuntu.com/security/CVE-2019-9499, https://w1.fi/security/2019-4/, https://ubuntu.com/security/notices/USN-3944-1, https://www.cve.org/CVERecord?id=CVE-2019-9499

    Affected packages

    Package

    Name: wpa

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.1-0ubuntu1.7

    Affected versions

    1.0-3ubuntu2

    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