GSD-2021-27562

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
In Arm Trusted Firmware M through 1.2, the NS world may trigger a system halt, an overwrite of secure data, or the printing out of secure data when calling secure functions under the NSPE handler mode.
Aliases
Aliases
CVE-2021-27562
To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-27562",
    "description": "In Arm Trusted Firmware M through 1.2, the NS world may trigger a system halt, an overwrite of secure data, or the printing out of secure data when calling secure functions under the NSPE handler mode.",
    "id": "GSD-2021-27562"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-27562"
      ],
      "details": "In Arm Trusted Firmware M through 1.2, the NS world may trigger a system halt, an overwrite of secure data, or the printing out of secure data when calling secure functions under the NSPE handler mode.",
      "id": "GSD-2021-27562",
      "modified": "2023-12-13T01:23:35.844359Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cisa.gov": {
      "cveID": "CVE-2021-27562",
      "dateAdded": "2021-11-03",
      "dueDate": "2021-11-17",
      "product": "Arm Trusted Firmware",
      "requiredAction": "Apply updates per vendor instructions.",
      "shortDescription": "In Arm Trusted Firmware M through 1.2, the NS world may trigger a system halt, an overwrite of secure data, or the printing out of secure data when calling secure functions under the NSPE handler mode. This vulnerability has known active exploitation against Yealink Device Management servers. It is assessed this product utilizes the affected Arm firmware.",
      "vendorProject": "Arm",
      "vulnerabilityName": "Arm Trusted Firmware M through 1.2 Denial-of-Service"
    },
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        "ID": "CVE-2021-27562",
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            "name": "https://developer.arm.com/support/arm-security-updates",
            "refsource": "MISC",
            "url": "https://developer.arm.com/support/arm-security-updates"
          },
          {
            "name": "https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/svc_caller_sp_fetching_vulnerability.rst",
            "refsource": "CONFIRM",
            "url": "https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/svc_caller_sp_fetching_vulnerability.rst"
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                    "cpe_name": [],
                    "versionEndIncluding": "1.2",
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      },
      "impact": {
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          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 4.9,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2021-06-08T18:25Z",
      "publishedDate": "2021-05-25T19:15Z"
    }
  }
}


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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.