cnvd - cnvd-2020-72703

CNVD-2020-72703

Vulnerability from cnvd - Published: 2020-12-18

Title

Microsoft Office信息泄露漏洞（CNVD-2020-72703）

Description

Microsoft Office是美国微软（Microsoft）公司的一款办公软件套件产品。该产品常用组件包括Word、Excel、Access、Powerpoint、FrontPage等。 Microsoft Office中存在信息泄露漏洞。该漏洞源于软件读取越界内存时。攻击者可利用该漏洞查看溢出内存。

Severity

中

Patch Name

Microsoft Office信息泄露漏洞（CNVD-2020-72703）的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://portal.msrc.microsoft.com/en-us/security-guidance

Reference

https://portal.msrc.microsoft.com/zh-CN/security-guidance/advisory/CVE-2020-16855

Impacted products

Name
['Microsoft Office 2016', 'Microsoft Office 2019']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-16855"
    }
  },
  "description": "Microsoft Office\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u529e\u516c\u8f6f\u4ef6\u5957\u4ef6\u4ea7\u54c1\u3002\u8be5\u4ea7\u54c1\u5e38\u7528\u7ec4\u4ef6\u5305\u62ecWord\u3001Excel\u3001Access\u3001Powerpoint\u3001FrontPage\u7b49\u3002\n\nMicrosoft Office\u4e2d\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8f6f\u4ef6\u8bfb\u53d6\u8d8a\u754c\u5185\u5b58\u65f6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u67e5\u770b\u6ea2\u51fa\u5185\u5b58\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://portal.msrc.microsoft.com/en-us/security-guidance",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-72703",
  "openTime": "2020-12-18",
  "patchDescription": "Microsoft Office\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u529e\u516c\u8f6f\u4ef6\u5957\u4ef6\u4ea7\u54c1\u3002\u8be5\u4ea7\u54c1\u5e38\u7528\u7ec4\u4ef6\u5305\u62ecWord\u3001Excel\u3001Access\u3001Powerpoint\u3001FrontPage\u7b49\u3002\r\n\r\nMicrosoft Office\u4e2d\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8f6f\u4ef6\u8bfb\u53d6\u8d8a\u754c\u5185\u5b58\u65f6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u67e5\u770b\u6ea2\u51fa\u5185\u5b58\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Microsoft Office\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2020-72703\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Office 2016",
      "Microsoft Office 2019"
    ]
  },
  "referenceLink": "https://portal.msrc.microsoft.com/zh-CN/security-guidance/advisory/CVE-2020-16855",
  "serverity": "\u4e2d",
  "submitTime": "2020-09-10",
  "title": "Microsoft Office\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2020-72703\uff09"
}

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

Vulnerability from cvelistv5 – Published: 2020-09-11 17:08 – Updated: 2024-08-04 13:45

Summary

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. Exploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Office software. The security update addresses the vulnerability by properly initializing the affected variable.

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

microsoft

References

URL

Tags

https://portal.msrc.microsoft.com/en-US/security-…

x_refsource_MISC

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:*:*

Microsoft

Microsoft Office 2016 for Mac

Affected: 16.0.0 , < publication (custom)
cpe:2.3:a:microsoft:office:2016:*:*:*:*:mac_os:*:*

Show details on NVD website

JSON

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"
}

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

CNVD-2020-72703

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

Tags

Sightings

Nomenclature