Vulnerability-Lookup

FKIE_CVE-2021-22549

Vulnerability from fkie_nvd - Published: 2021-06-08 14:15 - Updated: 2026-06-17 03:37

Severity

6.5 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

An attacker can modify the address to point to trusted memory to overwrite arbitrary trusted memory. It is recommended to update past 0.6.2 or git commit https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c

References

	URL	Tags
	cve-coordination@google.com	https://github.com/google/asylo/commit/ecfcd0008b6f8f63c6fa3cc1b62fcd4a52f2c0ad	Patch, Third Party Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://github.com/google/asylo/commit/ecfcd0008b6f8f63c6fa3cc1b62fcd4a52f2c0ad	Patch, Third Party Advisory

Impacted products

	Vendor	Product	Version
	google	asylo	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Asylo",
          "vendor": "Google LLC",
          "versions": [
            {
              "lessThanOrEqual": "0.6.2",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "cve-coordination@google.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:google:asylo:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2615C1EA-2906-4CF3-ADD5-D4719F441060",
              "versionEndExcluding": "0.6.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An attacker can modify the address to point to trusted memory to overwrite arbitrary trusted memory. It is recommended to update past 0.6.2 or git commit https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c"
    },
    {
      "lang": "es",
      "value": "Un atacante puede modificar la direcci\u00f3n para que apunte a la memoria confiable para sobrescribir la memoria confiable arbitraria. Se recomienda actualizar a partir de la versi\u00f3n 0.6.2 o del commit de git https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c"
    }
  ],
  "id": "CVE-2021-22549",
  "lastModified": "2026-06-17T03:37:25.027",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 5.5,
        "source": "cve-coordination@google.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-06-08T14:15:07.747",
  "references": [
    {
      "source": "cve-coordination@google.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/google/asylo/commit/ecfcd0008b6f8f63c6fa3cc1b62fcd4a52f2c0ad"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/google/asylo/commit/ecfcd0008b6f8f63c6fa3cc1b62fcd4a52f2c0ad"
    }
  ],
  "sourceIdentifier": "cve-coordination@google.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-823"
        }
      ],
      "source": "cve-coordination@google.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-668"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2021-22549 (GCVE-0-2021-22549)

Vulnerability from cvelistv5 – Published: 2021-06-08 13:15 – Updated: 2024-09-17 02:42

Title

Arbitrary enclave memory overwrite vulnerability in Asylo TrustedPrimitives::UntrustedCall

Summary

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

CWE

CWE-823 - Use of Out-of-range Pointer Offset

Assigner

Google Google root

References

1 reference

URL	Tags
https://github.com/google/asylo/commit/ecfcd0008b…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Google LLC	Asylo	Affected: unspecified , ≤ 0.6.2 (custom)

Date Public

2021-03-12 00:00

Credits

Qinkun Bao (Baidu Security) Zhaofeng Chen (Baidu Security) Mingshen Sun (Baidu Security) Kang Li (Baidu Security)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:44:13.701Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/google/asylo/commit/ecfcd0008b6f8f63c6fa3cc1b62fcd4a52f2c0ad"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Asylo",
          "vendor": "Google LLC",
          "versions": [
            {
              "lessThanOrEqual": "0.6.2",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Qinkun Bao (Baidu Security)"
        },
        {
          "lang": "en",
          "value": "Zhaofeng Chen (Baidu Security)"
        },
        {
          "lang": "en",
          "value": "Mingshen Sun (Baidu Security)"
        },
        {
          "lang": "en",
          "value": "Kang Li (Baidu Security)"
        }
      ],
      "datePublic": "2021-03-12T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "An attacker can modify the address to point to trusted memory to overwrite arbitrary trusted memory. It is recommended to update past 0.6.2 or git commit https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-823",
              "description": "CWE-823 Use of Out-of-range Pointer Offset",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-06-08T13:15:14.000Z",
        "orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
        "shortName": "Google"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/google/asylo/commit/ecfcd0008b6f8f63c6fa3cc1b62fcd4a52f2c0ad"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Arbitrary enclave memory overwrite vulnerability in Asylo TrustedPrimitives::UntrustedCall",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@google.com",
          "DATE_PUBLIC": "2021-03-12T11:00:00.000Z",
          "ID": "CVE-2021-22549",
          "STATE": "PUBLIC",
          "TITLE": "Arbitrary enclave memory overwrite vulnerability in Asylo TrustedPrimitives::UntrustedCall"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Asylo",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_value": "0.6.2"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Google LLC"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Qinkun Bao (Baidu Security)"
          },
          {
            "lang": "eng",
            "value": "Zhaofeng Chen (Baidu Security)"
          },
          {
            "lang": "eng",
            "value": "Mingshen Sun (Baidu Security)"
          },
          {
            "lang": "eng",
            "value": "Kang Li (Baidu Security)"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An attacker can modify the address to point to trusted memory to overwrite arbitrary trusted memory. It is recommended to update past 0.6.2 or git commit https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c"
            }
          ]
        },
        "generator": {
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        },
        "impact": {
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            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L",
            "version": "3.1"
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        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-823 Use of Out-of-range Pointer Offset"
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/google/asylo/commit/ecfcd0008b6f8f63c6fa3cc1b62fcd4a52f2c0ad",
              "refsource": "MISC",
              "url": "https://github.com/google/asylo/commit/ecfcd0008b6f8f63c6fa3cc1b62fcd4a52f2c0ad"
            }
          ]
        },
        "source": {
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
    "assignerShortName": "Google",
    "cveId": "CVE-2021-22549",
    "datePublished": "2021-06-08T13:15:14.120Z",
    "dateReserved": "2021-01-05T00:00:00.000Z",
    "dateUpdated": "2024-09-17T02:42:42.905Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.