rhsa-2017_2911
Vulnerability from csaf_redhat
Published
2017-10-18 16:12
Modified
2024-11-05 20:14
Summary
Red Hat Security Advisory: wpa_supplicant security update

Notes

Topic
An update for wpa_supplicant is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The wpa_supplicant packages contain an 802.1X Supplicant with support for WEP, WPA, WPA2 (IEEE 802.11i / RSN), and various EAP authentication methods. They implement key negotiation with a WPA Authenticator for client stations and controls the roaming and IEEE 802.11 authentication and association of the WLAN driver. Security Fix(es): * A new exploitation technique called key reinstallation attacks (KRACK) affecting WPA2 has been discovered. A remote attacker within Wi-Fi range could exploit these attacks to decrypt Wi-Fi traffic or possibly inject forged Wi-Fi packets by manipulating cryptographic handshakes used by the WPA2 protocol. (CVE-2017-13077, CVE-2017-13078, CVE-2017-13080, CVE-2017-13087) Red Hat would like to thank CERT for reporting these issues. Upstream acknowledges Mathy Vanhoef (University of Leuven) as the original reporter of these issues.
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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          "title": "Vulnerability description"
        },
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          "category": "summary",
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          "title": "Vulnerability summary"
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          "title": "Statement"
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      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2017-13087"
        },
        {
          "category": "external",
          "summary": "RHBZ#1500303",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1500303"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2017-13087",
          "url": "https://www.cve.org/CVERecord?id=CVE-2017-13087"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-13087",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-13087"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/security/vulnerabilities/kracks",
          "url": "https://access.redhat.com/security/vulnerabilities/kracks"
        },
        {
          "category": "external",
          "summary": "https://w1.fi/security/2017-1/wpa-packet-number-reuse-with-replayed-messages.txt",
          "url": "https://w1.fi/security/2017-1/wpa-packet-number-reuse-with-replayed-messages.txt"
        },
        {
          "category": "external",
          "summary": "https://www.krackattacks.com/",
          "url": "https://www.krackattacks.com/"
        }
      ],
      "release_date": "2017-10-16T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2017-10-18T16:12:37+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2017:2911"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.0"
          },
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "wpa_supplicant: reinstallation of the group key (GTK) when processing a Wireless Network Management (WNM) Sleep Mode Response frame"
    }
  ]
}


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