UBUNTU-CVE-2018-14526

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    UBUNTU-CVE-2018-14526

    Published: 8 Aug 2018Last Modified: 4 Feb 2026
    Upstream:
    CVE-2018-14526
    Aliases:
    USN-3745-1

    Summary:

    Details: An issue was discovered in rsn_supp/wpa.c in wpa_supplicant 2.0 through 2.6. Under certain conditions, the integrity of EAPOL-Key messages is not checked, leading to a decryption oracle. An attacker within range of the Access Point and client can abuse the vulnerability to recover sensitive information.

    References: https://ubuntu.com/security/CVE-2018-14526, https://w1.fi/security/2018-1/unauthenticated-eapol-key-decryption.txt, https://w1.fi/security/2018-1/0001-WPA-Ignore-unauthenticated-encrypted-EAPOL-Key-data.patch, https://w1.fi/security/2018-1/rebased-v2.6-0001-WPA-Ignore-unauthenticated-encrypted-EAPOL-Key-data.patch, https://papers.mathyvanhoef.com/woot2018.pdf, https://ubuntu.com/security/notices/USN-3745-1, https://www.cve.org/CVERecord?id=CVE-2018-14526

    Affected packages

    Package

    Name: wpa

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.1-0ubuntu1.6

    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
    UBUNTU-CVE-2018-14526 | CVE-DB