GHSA-23G5-CWWR-8XHW

Vulnerability from github – Published: 2022-08-26 00:03 – Updated: 2025-11-03 21:30
VLAI?
Details

A key length flaw was found in Red Hat Ceph Storage. An attacker can exploit the fact that the key length is incorrectly passed in an encryption algorithm to create a non random key, which is weaker and can be exploited for loss of confidentiality and integrity on encrypted disks.

Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
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{
  "affected": [],
  "aliases": [
    "CVE-2021-3979"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287",
      "CWE-327"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-08-25T20:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A key length flaw was found in Red Hat Ceph Storage. An attacker can exploit the fact that the key length is incorrectly passed in an encryption algorithm to create a non random key, which is weaker and can be exploited for loss of confidentiality and integrity on encrypted disks.",
  "id": "GHSA-23g5-cwwr-8xhw",
  "modified": "2025-11-03T21:30:43Z",
  "published": "2022-08-26T00:03:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3979"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ceph/ceph/pull/44765"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ceph/ceph/commit/47c33179f9a15ae95cc1579a421be89378602656"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2022:1174"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2022:1716"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2021-3979"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024788"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/09/msg00025.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BPOK44BESMIFW6BIOGCN452AKKOIIT6Q"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BPOK44BESMIFW6BIOGCN452AKKOIIT6Q"
    },
    {
      "type": "WEB",
      "url": "https://tracker.ceph.com/issues/54006"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Detection rules are retrieved from Rulezet.