USN-4757-2

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    USN-4757-2

    Published: 4 Mar 2021Last Modified: 10 Feb 2026

    Summary: wpa vulnerability

    Details: USN-4757-1 fixed a vulnerability in wpa_supplicant and hostapd. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered that wpa_supplicant did not properly handle P2P (Wi-Fi Direct) provision discovery requests in some situations. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

    References: https://ubuntu.com/security/notices/USN-4757-2, https://ubuntu.com/security/CVE-2021-27803

    Affected packages

    Package

    Name: wpa

    Purl: pkg:deb/ubuntu/[email protected]+esm4?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.1-0ubuntu1.7+esm4

    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
    USN-4757-2 | CVE-DB