MSRC_CVE-2023-21716

Vulnerability from csaf_microsoft - Published: 2023-02-14 08:00 - Updated: 2023-02-23 08:00
Summary
Microsoft Word Remote Code Execution Vulnerability
Severity
Critical
Notes
Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer: The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
Customer Action: Required. The vulnerability documented by this CVE requires customer action to resolve.
CWE-190 - Integer Overflow or Wraparound
Affected products
Product Identifier Version Remediation
Microsoft Word 2013 Service Pack 1 (32-bit editions) 15.0.5529.1000
Microsoft Word 2013 Service Pack 1 (32-bit editions)
15.0.5529.1000
Microsoft Word 2013 Service Pack 1 (64-bit editions) 15.0.5529.1000
Microsoft Word 2013 Service Pack 1 (64-bit editions)
15.0.5529.1000
Microsoft Word 2013 RT Service Pack 1 15.0.5529.1000
Microsoft Word 2013 RT Service Pack 1
15.0.5529.1000
Microsoft Office Web Apps Server 2013 Service Pack 1 15.0.5529.1000
Microsoft Office Web Apps Server 2013 Service Pack 1
15.0.5529.1000
Microsoft SharePoint Foundation 2013 Service Pack 1 15.0.5529.1000
Microsoft SharePoint Foundation 2013 Service Pack 1
15.0.5529.1000
Microsoft Word 2016 (32-bit edition) 16.0.5383.1000
Microsoft Word 2016 (32-bit edition)
16.0.5383.1000
Microsoft Word 2016 (64-bit edition) 16.0.5383.1000
Microsoft Word 2016 (64-bit edition)
16.0.5383.1000
Microsoft SharePoint Enterprise Server 2016 16.0.5383.1000
Microsoft SharePoint Enterprise Server 2016
16.0.5383.1000
Microsoft SharePoint Enterprise Server 2013 Service Pack 1 15.0.5529.1000
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
15.0.5529.1000
Microsoft Office 2019 for 32-bit editions https://aka.ms/OfficeSecurityReleases
Microsoft Office 2019 for 32-bit editions
https://aka.ms/OfficeSecurityReleases
Microsoft Office 2019 for 64-bit editions https://aka.ms/OfficeSecurityReleases
Microsoft Office 2019 for 64-bit editions
https://aka.ms/OfficeSecurityReleases
Microsoft Office 2019 for Mac 16.70.23021201
Microsoft Office 2019 for Mac
16.70.23021201
Microsoft SharePoint Server 2019 16.0.10395.20001
Microsoft SharePoint Server 2019
16.0.10395.20001
Microsoft Office Online Server 16.0.10395.20001
Microsoft Office Online Server
16.0.10395.20001
Microsoft 365 Apps for Enterprise for 32-bit Systems https://aka.ms/OfficeSecurityReleases
Microsoft 365 Apps for Enterprise for 32-bit Systems
https://aka.ms/OfficeSecurityReleases
Microsoft 365 Apps for Enterprise for 64-bit Systems https://aka.ms/OfficeSecurityReleases
Microsoft 365 Apps for Enterprise for 64-bit Systems
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC for Mac 2021 16.70.23021201
Microsoft Office LTSC for Mac 2021
16.70.23021201
Microsoft Office LTSC 2021 for 64-bit editions https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021 for 64-bit editions
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021 for 32-bit editions https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021 for 32-bit editions
https://aka.ms/OfficeSecurityReleases
Microsoft SharePoint Server Subscription Edition 16.0.15601.20478
Microsoft SharePoint Server Subscription Edition
16.0.15601.20478
SharePoint Server Subscription Edition Language Pack 16.0.15601.20478
SharePoint Server Subscription Edition Language Pack
16.0.15601.20478
Product Identifier Version Remediation
SharePoint Server Subscription Edition Language Pack <16.0.15601.20478
SharePoint Server Subscription Edition Language Pack
<16.0.15601.20478
Vendor Fix fix
Microsoft SharePoint Server Subscription Edition <16.0.15601.20478
Microsoft SharePoint Server Subscription Edition
<16.0.15601.20478
Vendor Fix fix
Vendor Fix fix
Microsoft Office LTSC 2021 for 32-bit editions <https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021 for 32-bit editions
<https://aka.ms/OfficeSecurityReleases
Vendor Fix fix
Microsoft Office LTSC 2021 for 64-bit editions <https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021 for 64-bit editions
<https://aka.ms/OfficeSecurityReleases
Vendor Fix fix
Microsoft Office LTSC for Mac 2021 <16.70.23021201
Microsoft Office LTSC for Mac 2021
<16.70.23021201
Vendor Fix fix
Microsoft 365 Apps for Enterprise for 64-bit Systems <https://aka.ms/OfficeSecurityReleases
Microsoft 365 Apps for Enterprise for 64-bit Systems
<https://aka.ms/OfficeSecurityReleases
Vendor Fix fix
Microsoft 365 Apps for Enterprise for 32-bit Systems <https://aka.ms/OfficeSecurityReleases
Microsoft 365 Apps for Enterprise for 32-bit Systems
<https://aka.ms/OfficeSecurityReleases
Vendor Fix fix
Microsoft Office Online Server <16.0.10395.20001
Microsoft Office Online Server
<16.0.10395.20001
Vendor Fix fix
Microsoft SharePoint Server 2019 <16.0.10395.20001
Microsoft SharePoint Server 2019
<16.0.10395.20001
Vendor Fix fix
Vendor Fix fix
Microsoft Office 2019 for Mac <16.70.23021201
Microsoft Office 2019 for Mac
<16.70.23021201
Vendor Fix fix
Microsoft Office 2019 for 64-bit editions <https://aka.ms/OfficeSecurityReleases
Microsoft Office 2019 for 64-bit editions
<https://aka.ms/OfficeSecurityReleases
Vendor Fix fix
Microsoft Office 2019 for 32-bit editions <https://aka.ms/OfficeSecurityReleases
Microsoft Office 2019 for 32-bit editions
<https://aka.ms/OfficeSecurityReleases
Vendor Fix fix
Microsoft SharePoint Enterprise Server 2013 Service Pack 1 <15.0.5529.1000
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
<15.0.5529.1000
Vendor Fix fix
Vendor Fix fix
Vendor Fix fix
Microsoft SharePoint Enterprise Server 2016 <16.0.5383.1000
Microsoft SharePoint Enterprise Server 2016
<16.0.5383.1000
Vendor Fix fix
Microsoft Word 2016 (64-bit edition) <16.0.5383.1000
Microsoft Word 2016 (64-bit edition)
<16.0.5383.1000
Vendor Fix fix
Microsoft Word 2016 (32-bit edition) <16.0.5383.1000
Microsoft Word 2016 (32-bit edition)
<16.0.5383.1000
Vendor Fix fix
Microsoft SharePoint Foundation 2013 Service Pack 1 <15.0.5529.1000
Microsoft SharePoint Foundation 2013 Service Pack 1
<15.0.5529.1000
Vendor Fix fix
Vendor Fix fix
Microsoft Office Web Apps Server 2013 Service Pack 1 <15.0.5529.1000
Microsoft Office Web Apps Server 2013 Service Pack 1
<15.0.5529.1000
Vendor Fix fix
Microsoft Word 2013 RT Service Pack 1 <15.0.5529.1000
Microsoft Word 2013 RT Service Pack 1
<15.0.5529.1000
Vendor Fix fix
Microsoft Word 2013 Service Pack 1 (64-bit editions) <15.0.5529.1000
Microsoft Word 2013 Service Pack 1 (64-bit editions)
<15.0.5529.1000
Vendor Fix fix
Microsoft Word 2013 Service Pack 1 (32-bit editions) <15.0.5529.1000
Microsoft Word 2013 Service Pack 1 (32-bit editions)
<15.0.5529.1000
Vendor Fix fix
Threats
Impact Remote Code Execution
Exploit Status Exploited:No;Latest Software Release:Exploitation Less Likely
Acknowledgments
<a href="https://twitter.com/jduck">Joshua J. Drake</a>

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              "name": "Microsoft Word 2013 Service Pack 1 (64-bit editions) \u003c15.0.5529.1000",
              "product_id": "20"
            }
          },
          {
            "category": "product_version",
            "name": "15.0.5529.1000",
            "product": {
              "name": "Microsoft Word 2013 Service Pack 1 (64-bit editions) 15.0.5529.1000",
              "product_id": "10605"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Word 2013 Service Pack 1 (64-bit editions)"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-21716",
      "cwe": {
        "id": "CWE-190",
        "name": "Integer Overflow or Wraparound"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "An unauthenticated attacker could send a malicious e-mail containing an RTF payload that would allow them to gain access to execute commands within the application used to open the malicious file.",
          "title": "What is the attack vector for this vulnerability?"
        },
        {
          "category": "faq",
          "text": "Yes, the Preview Pane is an attack vector.",
          "title": "Is the Preview Pane an attack vector for this vulnerability?"
        },
        {
          "category": "faq",
          "text": "No. Customers running SharePoint Enterprise Server 2013 Service Pack 1 should install either of the following:\nCumulative update (ubersrv13). Note that this update also includes the *srvloc2013 update, Both of the security updates (sts2013 AND *loc2013), which are the same updates as for Foundation Server 2013\nPlease note that this is a clarification of the existing servicing model for SharePoint Server 2013 and applies for all previous updates.",
          "title": "I am running SharePoint Enterprise Server 2013 Service Pack 1. Do I need to install all the updates that are listed for SharePoint Enterprise Server 2013 Service Pack 1?"
        },
        {
          "category": "faq",
          "text": "Yes, customers running SharePoint Foundation 2013 Service Pack 1 should install both of the security updates. The updates can be installed in any order.",
          "title": "I am running SharePoint Foundation 2013 Service Pack 1. Do I need to install all the updates that are listed for SharePoint Foundation 2013 Service Pack 1 ?"
        }
      ],
      "product_status": {
        "fixed": [
          "10604",
          "10605",
          "10606",
          "10611",
          "10612",
          "10746",
          "10747",
          "10950",
          "11099",
          "11573",
          "11574",
          "11575",
          "11585",
          "11605",
          "11762",
          "11763",
          "11951",
          "11952",
          "11953",
          "11961",
          "11972"
        ],
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11",
          "12",
          "13",
          "14",
          "15",
          "16",
          "17",
          "18",
          "19",
          "20",
          "21"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-21716 Microsoft Word Remote Code Execution Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21716"
        },
        {
          "category": "self",
          "summary": "CVE-2023-21716 Microsoft Word Remote Code Execution Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21716"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "16.70.23021201:Security Update:https://go.microsoft.com/fwlink/p/?linkid=831049",
          "product_ids": [
            "5",
            "10"
          ],
          "url": "https://go.microsoft.com/fwlink/p/?linkid=831049"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "https://aka.ms/OfficeSecurityReleases:Security Update:https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates",
          "product_ids": [
            "3",
            "4",
            "7",
            "6",
            "11",
            "12"
          ],
          "url": "https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "16.0.15601.20478:Security Update:https://support.microsoft.com/help/5002353",
          "product_ids": [
            "2"
          ],
          "url": "https://support.microsoft.com/help/5002353"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "16.0.15601.20478:Security Update:https://support.microsoft.com/help/5002352",
          "product_ids": [
            "2",
            "1"
          ],
          "url": "https://support.microsoft.com/help/5002352"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "16.0.10395.20001:Security Update:https://support.microsoft.com/help/5002309",
          "product_ids": [
            "8"
          ],
          "url": "https://support.microsoft.com/help/5002309"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "16.0.5383.1000:Security Update:https://support.microsoft.com/help/5002325",
          "product_ids": [
            "14"
          ],
          "url": "https://support.microsoft.com/help/5002325"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "15.0.5529.1000:Cumulative Update:https://support.microsoft.com/help/5002346",
          "product_ids": [
            "13"
          ],
          "url": "https://support.microsoft.com/help/5002346"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "15.0.5529.1000:Security Update:https://support.microsoft.com/help/5002347",
          "product_ids": [
            "13",
            "17"
          ],
          "url": "https://support.microsoft.com/help/5002347"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "15.0.5529.1000:Security Update:https://support.microsoft.com/help/5002312",
          "product_ids": [
            "13",
            "17"
          ],
          "url": "https://support.microsoft.com/help/5002312"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "16.0.10395.20001:Security Update:https://support.microsoft.com/help/5002342",
          "product_ids": [
            "9"
          ],
          "url": "https://support.microsoft.com/help/5002342"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "16.0.10395.20001:Security Update:https://support.microsoft.com/help/5002330",
          "product_ids": [
            "9"
          ],
          "url": "https://support.microsoft.com/help/5002330"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "16.0.5383.1000:Security Update:https://support.microsoft.com/kb/5002323",
          "product_ids": [
            "15"
          ],
          "url": "https://support.microsoft.com/kb/5002323"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "16.0.5383.1000:Security Update:https://support.microsoft.com/kb/5002323",
          "product_ids": [
            "16"
          ],
          "url": "https://support.microsoft.com/kb/5002323"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "15.0.5529.1000:Security Update:https://support.microsoft.com/kb/5002313",
          "product_ids": [
            "18"
          ],
          "url": "https://support.microsoft.com/kb/5002313"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "15.0.5529.1000:Security Update:https://support.microsoft.com/kb/5002316",
          "product_ids": [
            "21"
          ],
          "url": "https://support.microsoft.com/kb/5002316"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "15.0.5529.1000:Security Update:https://support.microsoft.com/help/5002316",
          "product_ids": [
            "19"
          ],
          "url": "https://support.microsoft.com/help/5002316"
        },
        {
          "category": "vendor_fix",
          "date": "2023-02-14T08:00:00.000Z",
          "details": "15.0.5529.1000:Security Update:https://support.microsoft.com/kb/5002316",
          "product_ids": [
            "20"
          ],
          "url": "https://support.microsoft.com/kb/5002316"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 8.5,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18",
            "19",
            "20",
            "21"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Remote Code Execution"
        },
        {
          "category": "exploit_status",
          "details": "Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Microsoft Word Remote Code Execution Vulnerability"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

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Detection rules are retrieved from Rulezet.

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