CVE-2021-22548 (GCVE-0-2021-22548)

Vulnerability from cvelistv5 – Published: 2021-06-08 13:15 – Updated: 2024-09-17 01:11
VLAI?
Summary
An attacker can change the pointer to untrusted memory to point to trusted memory region which causes copying trusted memory to trusted memory, if the latter is later copied out, it allows for reading of memory regions from the trusted region. It is recommended to update past 0.6.2 or git commit https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c
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-788 - Access of Memory Location After End of Buffer
Assigner
References
Impacted products
Vendor Product Version
Google LLC Asylo Affected: unspecified , ≤ 0.6.2 (custom)
Create a notification for this product.
Credits
Qinkun Bao (Baidu Security) Zhaofeng Chen (Baidu Security) Mingshen Sun (Baidu Security) Kang Li (Baidu Security)
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:44:13.780Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c"
          }
        ],
        "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": "2021-03-29T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "An attacker can change the pointer to untrusted memory to point to trusted memory region which causes copying trusted memory to trusted memory, if the latter is later copied out, it allows for reading of memory regions from the trusted region. 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-788",
              "description": "CWE-788 Access of Memory Location After End of Buffer",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-06-08T13:15:13",
        "orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
        "shortName": "Google"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Arbitrary enclave memory overread vulnerability in Asylo TrustedPrimitives::UntrustedCall",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@google.com",
          "DATE_PUBLIC": "2021-03-29T10:00:00.000Z",
          "ID": "CVE-2021-22548",
          "STATE": "PUBLIC",
          "TITLE": "Arbitrary enclave memory overread 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 change the pointer to untrusted memory to point to trusted memory region which causes copying trusted memory to trusted memory, if the latter is later copied out, it allows for reading of memory regions from the trusted region. It is recommended to update past 0.6.2 or git commit https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c"
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "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"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-788 Access of Memory Location After End of Buffer"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c",
              "refsource": "MISC",
              "url": "https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c"
            }
          ]
        },
        "source": {
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
    "assignerShortName": "Google",
    "cveId": "CVE-2021-22548",
    "datePublished": "2021-06-08T13:15:13.466433Z",
    "dateReserved": "2021-01-05T00:00:00",
    "dateUpdated": "2024-09-17T01:11:52.435Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:google:asylo:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"0.6.2\", \"matchCriteriaId\": \"2615C1EA-2906-4CF3-ADD5-D4719F441060\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"An attacker can change the pointer to untrusted memory to point to trusted memory region which causes copying trusted memory to trusted memory, if the latter is later copied out, it allows for reading of memory regions from the trusted region. 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 el puntero para una memoria no confiable para que apunte a la regi\\u00f3n de memoria confiable, lo que causa que se copie la memoria confiable a la memoria confiable, si esta \\u00faltima es copiada posteriormente, permite la lectura de regiones de memoria de la regi\\u00f3n confiable. Se recomienda actualizar a partir de la versi\\u00f3n 0.6.2 o el commit de git https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c\"}]",
      "id": "CVE-2021-22548",
      "lastModified": "2024-11-21T05:50:18.713",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"cve-coordination@google.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"LOW\"}, \"exploitabilityScore\": 1.0, \"impactScore\": 5.5}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 4.6, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 3.9, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-06-08T14:15:07.600",
      "references": "[{\"url\": \"https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c\", \"source\": \"cve-coordination@google.com\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}]",
      "sourceIdentifier": "cve-coordination@google.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"cve-coordination@google.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-788\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-Other\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-22548\",\"sourceIdentifier\":\"cve-coordination@google.com\",\"published\":\"2021-06-08T14:15:07.600\",\"lastModified\":\"2024-11-21T05:50:18.713\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An attacker can change the pointer to untrusted memory to point to trusted memory region which causes copying trusted memory to trusted memory, if the latter is later copied out, it allows for reading of memory regions from the trusted region. 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 el puntero para una memoria no confiable para que apunte a la regi\u00f3n de memoria confiable, lo que causa que se copie la memoria confiable a la memoria confiable, si esta \u00faltima es copiada posteriormente, permite la lectura de regiones de memoria de la regi\u00f3n confiable. Se recomienda actualizar a partir de la versi\u00f3n 0.6.2 o el commit de git https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve-coordination@google.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":1.0,\"impactScore\":5.5},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":4.6,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cve-coordination@google.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-788\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:google:asylo:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"0.6.2\",\"matchCriteriaId\":\"2615C1EA-2906-4CF3-ADD5-D4719F441060\"}]}]}],\"references\":[{\"url\":\"https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c\",\"source\":\"cve-coordination@google.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.