rhsa-2015_1090
Vulnerability from csaf_redhat
Published
2015-06-11 17:47
Modified
2024-11-22 09:07
Summary
Red Hat Security Advisory: wpa_supplicant security and enhancement update

Notes

Topic
An updated wpa_supplicant package that fixes two security issues and adds one enhancement is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.
Details
The wpa_supplicant package contains an 802.1X Supplicant with support for WEP, WPA, WPA2 (IEEE 802.11i / RSN), and various EAP authentication methods. It implements key negotiation with a WPA Authenticator for client stations and controls the roaming and IEEE 802.11 authentication and association of the WLAN driver. A buffer overflow flaw was found in the way wpa_supplicant handled SSID information in the Wi-Fi Direct / P2P management frames. A specially crafted frame could allow an attacker within Wi-Fi radio range to cause wpa_supplicant to crash or, possibly, execute arbitrary code. (CVE-2015-1863) An integer underflow flaw, leading to a buffer over-read, was found in the way wpa_supplicant handled WMM Action frames. A specially crafted frame could possibly allow an attacker within Wi-Fi radio range to cause wpa_supplicant to crash. (CVE-2015-4142) Red Hat would like to thank Jouni Malinen of the wpa_supplicant upstream for reporting the CVE-2015-1863 issue. Upstream acknowledges Alibaba security team as the original reporter. This update also adds the following enhancement: * Prior to this update, wpa_supplicant did not provide a way to require the host name to be listed in an X.509 certificate's Common Name or Subject Alternative Name, and only allowed host name suffix or subject substring checks. This update introduces a new configuration directive, 'domain_match', which adds a full host name check. (BZ#1178263) All wpa_supplicant users are advised to upgrade to this updated package, which contains backported patches to correct these issues and add this enhancement. After installing this update, the wpa_supplicant service will be restarted automatically.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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        "text": "An updated wpa_supplicant package that fixes two security issues and adds\none enhancement is now available for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having Important security\nimpact. Common Vulnerability Scoring System (CVSS) base scores, which give\ndetailed severity ratings, are available for each vulnerability from the\nCVE links in the References section.",
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        "text": "The wpa_supplicant package contains an 802.1X Supplicant with support for\nWEP, WPA, WPA2 (IEEE 802.11i / RSN), and various EAP authentication\nmethods. It implements key negotiation with a WPA Authenticator for client\nstations and controls the roaming and IEEE 802.11 authentication and\nassociation of the WLAN driver.\n\nA buffer overflow flaw was found in the way wpa_supplicant handled SSID\ninformation in the Wi-Fi Direct / P2P management frames. A specially\ncrafted frame could allow an attacker within Wi-Fi radio range to cause\nwpa_supplicant to crash or, possibly, execute arbitrary code.\n(CVE-2015-1863)\n\nAn integer underflow flaw, leading to a buffer over-read, was found in the\nway wpa_supplicant handled WMM Action frames. A specially crafted frame\ncould possibly allow an attacker within Wi-Fi radio range to cause\nwpa_supplicant to crash. (CVE-2015-4142)\n\nRed Hat would like to thank Jouni Malinen of the wpa_supplicant upstream\nfor reporting the CVE-2015-1863 issue. Upstream acknowledges Alibaba\nsecurity team as the original reporter.\n\nThis update also adds the following enhancement:\n\n* Prior to this update, wpa_supplicant did not provide a way to require the\nhost name to be listed in an X.509 certificate\u0027s Common Name or Subject\nAlternative Name, and only allowed host name suffix or subject substring\nchecks. This update introduces a new configuration directive,\n\u0027domain_match\u0027, which adds a full host name check. (BZ#1178263)\n\nAll wpa_supplicant users are advised to upgrade to this updated package,\nwhich contains backported patches to correct these issues and add this\nenhancement. After installing this update, the wpa_supplicant service will\nbe restarted automatically.",
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          "title": "CVSS score applicability"
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          "summary": "RHBZ#1221178",
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2015-4142",
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          "category": "external",
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-4142"
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          "category": "external",
          "summary": "http://w1.fi/security/2015-3/integer-underflow-in-ap-mode-wmm-action-frame.txt",
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      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "hostapd: integer underflow in AP mode WMM Action frame processing"
    }
  ]
}


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