CVE-2020-16855 (GCVE-0-2020-16855)

Vulnerability from cvelistv5 – Published: 2020-09-11 17:08 – Updated: 2024-08-04 13:45
VLAI?
Summary
<p>An information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory. An attacker who successfully exploited the vulnerability could view out of bound memory.</p> <p>Exploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Office software.</p> <p>The security update addresses the vulnerability by properly initializing the affected variable.</p>
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C
CWE
  • Information Disclosure
Assigner
References
Impacted products
Vendor Product Version
Microsoft Microsoft Office 2019 for Mac Affected: 16.0.0 , < publication (custom)
    cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*
 Create a notification for this product.
    Microsoft Microsoft Office 2016 for Mac Affected: 16.0.0 , < publication (custom)
    cpe:2.3:a:microsoft:office:2016:*:*:*:*:mac_os:*:*
 Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T13:45:33.993Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16855"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*"
          ],
          "platforms": [
            "Unknown"
          ],
          "product": "Microsoft Office 2019 for Mac",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "publication",
              "status": "affected",
              "version": "16.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:microsoft:office:2016:*:*:*:*:mac_os:*:*"
          ],
          "platforms": [
            "Unknown"
          ],
          "product": "Microsoft Office 2016 for Mac",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "publication",
              "status": "affected",
              "version": "16.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2020-09-08T07:00:00+00:00",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "\u003cp\u003eAn information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory. An attacker who successfully exploited the vulnerability could view out of bound memory.\u003c/p\u003e\n\u003cp\u003eExploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Office software.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by properly initializing the affected variable.\u003c/p\u003e\n"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Information Disclosure",
              "lang": "en-US",
              "type": "Impact"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-12-31T21:35:04.002Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16855"
        }
      ],
      "title": "Microsoft Office Information Disclosure Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2020-16855",
    "datePublished": "2020-09-11T17:08:38",
    "dateReserved": "2020-08-04T00:00:00",
    "dateUpdated": "2024-08-04T13:45:33.993Z",
    "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:microsoft:office:2016:*:*:*:*:macos:*:*\", \"matchCriteriaId\": \"8B615D7A-B7F2-44DF-8699-EB8367ADE65C\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*\", \"matchCriteriaId\": \"40961B9E-80B6-42E0-A876-58B3CE056E4E\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"\u003cp\u003eAn information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory. An attacker who successfully exploited the vulnerability could view out of bound memory.\u003c/p\u003e\\n\u003cp\u003eExploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Office software.\u003c/p\u003e\\n\u003cp\u003eThe security update addresses the vulnerability by properly initializing the affected variable.\u003c/p\u003e\\n\"}, {\"lang\": \"es\", \"value\": \"Se presenta una vulnerabilidad de divulgaci\\u00f3n de informaci\\u00f3n cuando el software Microsoft Office lee la memoria fuera de l\\u00edmites debido a una variable no inicializada, que podr\\u00eda revelar el contenido de la memoria, tambi\\u00e9n se conoce como \\\"Microsoft Office Information Disclosure Vulnerability\\\"\"}]",
      "id": "CVE-2020-16855",
      "lastModified": "2024-11-21T05:07:16.740",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"secure@microsoft.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}, {\"source\": \"nvd@nist.gov\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:P/I:N/A:N\", \"baseScore\": 4.3, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.6, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": true}]}",
      "published": "2020-09-11T17:15:16.793",
      "references": "[{\"url\": \"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16855\", \"source\": \"secure@microsoft.com\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16855\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}]",
      "sourceIdentifier": "secure@microsoft.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-125\"}, {\"lang\": \"en\", \"value\": \"CWE-908\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-16855\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2020-09-11T17:15:16.793\",\"lastModified\":\"2024-11-21T05:07:16.740\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"\u003cp\u003eAn information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory. An attacker who successfully exploited the vulnerability could view out of bound memory.\u003c/p\u003e\\n\u003cp\u003eExploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Office software.\u003c/p\u003e\\n\u003cp\u003eThe security update addresses the vulnerability by properly initializing the affected variable.\u003c/p\u003e\\n\"},{\"lang\":\"es\",\"value\":\"Se presenta una vulnerabilidad de divulgaci\u00f3n de informaci\u00f3n cuando el software Microsoft Office lee la memoria fuera de l\u00edmites debido a una variable no inicializada, que podr\u00eda revelar el contenido de la memoria, tambi\u00e9n se conoce como \\\"Microsoft Office Information Disclosure Vulnerability\\\"\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secure@microsoft.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:N/A:N\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"},{\"lang\":\"en\",\"value\":\"CWE-908\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:office:2016:*:*:*:*:macos:*:*\",\"matchCriteriaId\":\"8B615D7A-B7F2-44DF-8699-EB8367ADE65C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*\",\"matchCriteriaId\":\"40961B9E-80B6-42E0-A876-58B3CE056E4E\"}]}]}],\"references\":[{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16855\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16855\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor 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.