UBUNTU-CVE-2015-4146

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    UBUNTU-CVE-2015-4146

    Published: 1 Jun 2015Last Modified: 4 Feb 2026
    Upstream:
    CVE-2015-4146
    Aliases:
    USN-2650-1

    Summary:

    Details: The EAP-pwd peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 does not clear the L (Length) and M (More) flags before determining if a response should be fragmented, which allows remote attackers to cause a denial of service (crash) via a crafted message.

    References: https://ubuntu.com/security/CVE-2015-4146, http://w1.fi/security/2015-4/, http://w1.fi/security/2015-4/eap-pwd-missing-payload-length-validation.txt, http://w1.fi/security/2015-4/0005-EAP-pwd-peer-Fix-asymmetric-fragmentation-behavior.patch, http://www.openwall.com/lists/oss-security/2015/05/07/5, https://ubuntu.com/security/notices/USN-2650-1, https://www.cve.org/CVERecord?id=CVE-2015-4146

    Affected packages

    Package

    Name: wpa

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.1-0ubuntu1.3

    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