ghsa-g4wg-cfpf-9689
Vulnerability from github
Published
2023-07-19 21:30
Modified
2024-09-24 18:48
Severity ?
2.3 (Low) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
4.6 (Medium) - CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Summary
keylime fails to flag device as untrusted when signature does not validate
Details

A flaw was found in the keylime attestation verifier, which fails to flag a device's submitted TPM quote as faulty when the quote's signature does not validate for some reason. Instead, it will only emit an error in the log without flagging the device as untrusted.

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{
  "affected": [
    {
      "ecosystem_specific": {
        "affected_functions": [
          "keylime.tpm.tpm_util.checkquote"
        ]
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "keylime"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.2.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-3674"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1283"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-07-20T14:59:54Z",
    "nvd_published_at": "2023-07-19T19:15:12Z",
    "severity": "MODERATE"
  },
  "details": "A flaw was found in the keylime attestation verifier, which fails to flag a device\u0027s submitted TPM quote as faulty when the quote\u0027s signature does not validate for some reason. Instead, it will only emit an error in the log without flagging the device as untrusted.",
  "id": "GHSA-g4wg-cfpf-9689",
  "modified": "2024-09-24T18:48:12Z",
  "published": "2023-07-19T21:30:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-3674"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keylime/keylime/commit/95ce3d86bd2c53009108ffda2dcf553312d733db"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:1139"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2023-3674"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2222903"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/keylime/keylime"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/keylime/PYSEC-2023-128.yaml"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "keylime fails to flag device as untrusted when signature does not validate"
}


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