rhsa-2021_1686
Vulnerability from csaf_redhat
Published
2021-05-18 13:26
Modified
2024-11-05 23:33
Summary
Red Hat Security Advisory: wpa_supplicant security, bug fix, and enhancement update

Notes

Topic
An update for wpa_supplicant is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. 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): * wpa_supplicant: P2P group information processing vulnerability (CVE-2021-0326) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.
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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  "vulnerabilities": [
    {
      "cve": "CVE-2021-0326",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
      },
      "discovery_date": "2021-02-04T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1925152"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A buffer overflow flaw was found in the P2P (Wi-Fi Direct) support of wpa_supplicant. This flaw allows an attacker within radio range of the vulnerable system to send a specially crafted management frame that triggers a P2P peer device information to be created or updated, leading to the crashing of the wpa_supplicant process or arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "wpa_supplicant: P2P group information processing vulnerability",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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          "BaseOS-8.4.0.GA:wpa_supplicant-debugsource-1:2.9-5.el8.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-0326"
        },
        {
          "category": "external",
          "summary": "RHBZ#1925152",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1925152"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-0326",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-0326"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-0326",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-0326"
        },
        {
          "category": "external",
          "summary": "https://w1.fi/security/2020-2/wpa_supplicant-p2p-group-info-processing-vulnerability.txt",
          "url": "https://w1.fi/security/2020-2/wpa_supplicant-p2p-group-info-processing-vulnerability.txt"
        }
      ],
      "release_date": "2021-02-04T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-05-18T13:26:41+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",
          "product_ids": [
            "BaseOS-8.4.0.GA:wpa_supplicant-1:2.9-5.el8.aarch64",
            "BaseOS-8.4.0.GA:wpa_supplicant-1:2.9-5.el8.ppc64le",
            "BaseOS-8.4.0.GA:wpa_supplicant-1:2.9-5.el8.s390x",
            "BaseOS-8.4.0.GA:wpa_supplicant-1:2.9-5.el8.src",
            "BaseOS-8.4.0.GA:wpa_supplicant-1:2.9-5.el8.x86_64",
            "BaseOS-8.4.0.GA:wpa_supplicant-debuginfo-1:2.9-5.el8.aarch64",
            "BaseOS-8.4.0.GA:wpa_supplicant-debuginfo-1:2.9-5.el8.ppc64le",
            "BaseOS-8.4.0.GA:wpa_supplicant-debuginfo-1:2.9-5.el8.s390x",
            "BaseOS-8.4.0.GA:wpa_supplicant-debuginfo-1:2.9-5.el8.x86_64",
            "BaseOS-8.4.0.GA:wpa_supplicant-debugsource-1:2.9-5.el8.aarch64",
            "BaseOS-8.4.0.GA:wpa_supplicant-debugsource-1:2.9-5.el8.ppc64le",
            "BaseOS-8.4.0.GA:wpa_supplicant-debugsource-1:2.9-5.el8.s390x",
            "BaseOS-8.4.0.GA:wpa_supplicant-debugsource-1:2.9-5.el8.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:1686"
        },
        {
          "category": "workaround",
          "details": "Disable Wi-Fi P2P support (Wi-Fi Direct) if not needed, by using the control interface command \"P2P_SET disabled 1\" or setting \"p2p_disabled=1\" in wpa_supplicant configuration file.",
          "product_ids": [
            "BaseOS-8.4.0.GA:wpa_supplicant-1:2.9-5.el8.aarch64",
            "BaseOS-8.4.0.GA:wpa_supplicant-1:2.9-5.el8.ppc64le",
            "BaseOS-8.4.0.GA:wpa_supplicant-1:2.9-5.el8.s390x",
            "BaseOS-8.4.0.GA:wpa_supplicant-1:2.9-5.el8.src",
            "BaseOS-8.4.0.GA:wpa_supplicant-1:2.9-5.el8.x86_64",
            "BaseOS-8.4.0.GA:wpa_supplicant-debuginfo-1:2.9-5.el8.aarch64",
            "BaseOS-8.4.0.GA:wpa_supplicant-debuginfo-1:2.9-5.el8.ppc64le",
            "BaseOS-8.4.0.GA:wpa_supplicant-debuginfo-1:2.9-5.el8.s390x",
            "BaseOS-8.4.0.GA:wpa_supplicant-debuginfo-1:2.9-5.el8.x86_64",
            "BaseOS-8.4.0.GA:wpa_supplicant-debugsource-1:2.9-5.el8.aarch64",
            "BaseOS-8.4.0.GA:wpa_supplicant-debugsource-1:2.9-5.el8.ppc64le",
            "BaseOS-8.4.0.GA:wpa_supplicant-debugsource-1:2.9-5.el8.s390x",
            "BaseOS-8.4.0.GA:wpa_supplicant-debugsource-1:2.9-5.el8.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "BaseOS-8.4.0.GA:wpa_supplicant-1:2.9-5.el8.aarch64",
            "BaseOS-8.4.0.GA:wpa_supplicant-1:2.9-5.el8.ppc64le",
            "BaseOS-8.4.0.GA:wpa_supplicant-1:2.9-5.el8.s390x",
            "BaseOS-8.4.0.GA:wpa_supplicant-1:2.9-5.el8.src",
            "BaseOS-8.4.0.GA:wpa_supplicant-1:2.9-5.el8.x86_64",
            "BaseOS-8.4.0.GA:wpa_supplicant-debuginfo-1:2.9-5.el8.aarch64",
            "BaseOS-8.4.0.GA:wpa_supplicant-debuginfo-1:2.9-5.el8.ppc64le",
            "BaseOS-8.4.0.GA:wpa_supplicant-debuginfo-1:2.9-5.el8.s390x",
            "BaseOS-8.4.0.GA:wpa_supplicant-debuginfo-1:2.9-5.el8.x86_64",
            "BaseOS-8.4.0.GA:wpa_supplicant-debugsource-1:2.9-5.el8.aarch64",
            "BaseOS-8.4.0.GA:wpa_supplicant-debugsource-1:2.9-5.el8.ppc64le",
            "BaseOS-8.4.0.GA:wpa_supplicant-debugsource-1:2.9-5.el8.s390x",
            "BaseOS-8.4.0.GA:wpa_supplicant-debugsource-1:2.9-5.el8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "wpa_supplicant: P2P group information processing vulnerability"
    }
  ]
}


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