rhsa-2021_1024
Vulnerability from csaf_redhat
Published
2021-03-30 14:40
Modified
2024-11-05 23:25
Summary
Red Hat Security Advisory: openssl security update

Notes

Topic
An update for openssl is now available for Red Hat Enterprise Linux 8. 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
OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library. Security Fix(es): * openssl: NULL pointer dereference in signature_algorithms processing (CVE-2021-3449) * openssl: CA certificate check bypass with X509_V_FLAG_X509_STRICT (CVE-2021-3450) 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.
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"
        },
        {
          "category": "summary",
          "text": "openssl: CA certificate check bypass with X509_V_FLAG_X509_STRICT",
          "title": "Vulnerability summary"
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          "category": "other",
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          "title": "Statement"
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-3450",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-3450"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-3450",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3450"
        },
        {
          "category": "external",
          "summary": "https://www.openssl.org/news/secadv/20210325.txt",
          "url": "https://www.openssl.org/news/secadv/20210325.txt"
        }
      ],
      "release_date": "2021-03-25T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-03-30T14:40:51+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\n\nFor the update to take effect, all services linked to the OpenSSL library must be restarted, or the system rebooted.",
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        {
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          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "openssl: CA certificate check bypass with X509_V_FLAG_X509_STRICT"
    }
  ]
}


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