github - ghsa-r647-89qj-xwmp

GHSA-R647-89QJ-XWMP

Vulnerability from github – Published: 2022-05-24 17:19 – Updated: 2025-10-22 00:31

Details

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination.

Severity ?

8.8 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2020-9818"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-06-09T17:15:00Z",
    "severity": "MODERATE"
  },
  "details": "An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination.",
  "id": "GHSA-r647-89qj-xwmp",
  "modified": "2025-10-22T00:31:55Z",
  "published": "2022-05-24T17:19:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-9818"
    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/HT211168"
    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/HT211169"
    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/HT211175"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9818"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2020-9818 (GCVE-0-2020-9818)

Vulnerability from cvelistv5 – Published: 2020-06-09 16:12 – Updated: 2025-12-20 04:55

Summary

Severity ?

8.8 (High)


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

CWE

Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination

Assigner

apple

References

URL

Tags

	https://support.apple.com/HT211168	x_refsource_MISC
	https://support.apple.com/HT211175	x_refsource_MISC
	https://support.apple.com/HT211169	x_refsource_MISC

Impacted products

Vendor

Product

Version

Apple

iOS

Affected: unspecified , < iOS 13.5 and iPadOS 13.5 (custom)

	Apple	iOS-1	Affected: unspecified , < iOS 12.4.7 (custom)
	Apple	watchOS	Affected: unspecified , < watchOS 6.2.5 (custom)

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JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T10:43:05.159Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.apple.com/HT211168"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.apple.com/HT211175"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.apple.com/HT211169"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2020-9818",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-19T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2021-11-03",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9818"
              },
              "type": "kev"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-787",
                "description": "CWE-787 Out-of-bounds Write",
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                "type": "CWE"
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            ]
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-20T04:55:53.124Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "government-resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9818"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "iOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "iOS 13.5 and iPadOS 13.5",
              "status": "affected",
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              "versionType": "custom"
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        },
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          "vendor": "Apple",
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              "status": "affected",
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        },
        {
          "product": "watchOS",
          "vendor": "Apple",
          "versions": [
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              "lessThan": "watchOS 6.2.5",
              "status": "affected",
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              "versionType": "custom"
            }
          ]
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      "descriptions": [
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-10-16T16:17:42.000Z",
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple"
      },
      "references": [
        {
          "tags": [
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          ],
          "url": "https://support.apple.com/HT211168"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.apple.com/HT211175"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.apple.com/HT211169"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "product-security@apple.com",
          "ID": "CVE-2020-9818",
          "STATE": "PUBLIC"
        },
        "affects": {
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            "vendor_data": [
              {
                "product": {
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                      "version": {
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                            "version_value": "watchOS 6.2.5"
                          }
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                      }
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                "vendor_name": "Apple"
              }
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://support.apple.com/HT211168",
              "refsource": "MISC",
              "url": "https://support.apple.com/HT211168"
            },
            {
              "name": "https://support.apple.com/HT211175",
              "refsource": "MISC",
              "url": "https://support.apple.com/HT211175"
            },
            {
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              "refsource": "MISC",
              "url": "https://support.apple.com/HT211169"
            }
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  "cveMetadata": {
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
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    "datePublished": "2020-06-09T16:12:39.000Z",
    "dateReserved": "2020-03-02T00:00:00.000Z",
    "dateUpdated": "2025-12-20T04:55:53.124Z",
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}

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.

Action not permitted

GHSA-R647-89QJ-XWMP

CVE-2020-9818 (GCVE-0-2020-9818)

Tags

Sightings

Nomenclature