Gentoo: GLSA-201908-25: hostapd and wpa_supplicant: Denial of Service

    Date17 Aug 2019
    CategoryGentoo
    1086
    Posted ByLinuxSecurity Advisories
    A vulnerability in hostapd and wpa_supplicant could lead to a Denial of Service condition.
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    Gentoo Linux Security Advisory                           GLSA 201908-25
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                                               https://security.gentoo.org/
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     Severity: Normal
        Title: hostapd and wpa_supplicant: Denial of Service
         Date: August 18, 2019
         Bugs: #685860, #688588
           ID: 201908-25
    
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    Synopsis
    ========
    
    A vulnerability in hostapd and wpa_supplicant could lead to a Denial of
    Service condition.
    
    Background
    ==========
    
    wpa_supplicant is a WPA Supplicant with support for WPA and WPA2 (IEEE
    802.11i / RSN).
    
    hostapd is a user space daemon for access point and authentication
    servers.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  net-wireless/hostapd          < 2.8 >= 2.8 
      2  net-wireless/wpa_supplicant
                                       < 2.8 >= 2.8 
        -------------------------------------------------------------------
         2 affected packages
    
    Description
    ===========
    
    A vulnerability was discovered in hostapd's and wpa_supplicant's
    eap_server/eap_server_pwd.c and eap_peer/eap_pwd.c files.
    
    Impact
    ======
    
    An attacker could cause a possible Denial of Service condition.
    
    Workaround
    ==========
    
    There is no known workaround at this time.
    
    Resolution
    ==========
    
    All hostapd users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-wireless/hostapd-2.8"
    
    All wpa_supplicant users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot -v ">=net-wireless/wpa_supplicant-2.8"
    
    References
    ==========
    
    [ 1 ] CVE-2019-11555
          https://nvd.nist.gov/vuln/detail/CVE-2019-11555
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/201908-25
    
    Concerns?
    =========
    
    Security is a primary focus of Gentoo Linux and ensuring the
    confidentiality and security of our users' machines is of utmost
    importance to us. Any security concerns should be addressed to
    This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at
    https://bugs.gentoo.org.
    
    License
    =======
    
    Copyright 2019 Gentoo Foundation, Inc; referenced text
    belongs to its owner(s).
    
    The contents of this document are licensed under the
    Creative Commons - Attribution / Share Alike license.
    
    https://creativecommons.org/licenses/by-sa/2.5
    
    
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