// For flags

CVE-2017-8744

Microsoft Office Word WordPerfect Document Converter Heap-based Buffer Overflow Remote Code Execution Vulnerability

Severity Score

7.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A remote code execution vulnerability exists in Excel Services, Microsoft Excel 2007 Service Pack 3, Microsoft Excel 2010 Service Pack 2, Microsoft Excel 2013 Service Pack 1, Microsoft Excel 2013 RT Service Pack 1, and Microsoft Excel 2016 when they fail to properly handle objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8630, CVE-2017-8632, and CVE-2017-8731.

Existe una vulnerabilidad de ejecución remota de código en Excel Services, Microsoft Excel 2007 Service Pack 3, Microsoft Excel 2010 Service Pack 2, Microsoft Excel 2013 Service Pack 1, Microsoft Excel 2013 RT Service Pack 1 y Microsoft Excel 2016 cuando no manejan correctamente los objetos en la memoria. Esto también se conoce como "Microsoft Office Memory Corruption Vulnerability" El ID de este CVE es distinto a CVE-2017-8630, CVE-2017-8632 y CVE-2017-8731.

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Office Word. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the converter for WordPerfect documents. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code under the context of the process.

*Credits: Lucas Leong of Trend Micro
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2017-05-03 CVE Reserved
  • 2017-09-12 CVE Published
  • 2024-09-17 CVE Updated
  • 2024-09-25 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Microsoft
Search vendor "Microsoft"
Office
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2007
Search vendor "Microsoft" for product "Office" and version "2007"
sp3
Affected
Microsoft
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Office
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2010
Search vendor "Microsoft" for product "Office" and version "2010"
sp2
Affected
Microsoft
Search vendor "Microsoft"
Office
Search vendor "Microsoft" for product "Office"
2013
Search vendor "Microsoft" for product "Office" and version "2013"
sp1
Affected
Microsoft
Search vendor "Microsoft"
Office
Search vendor "Microsoft" for product "Office"
2016
Search vendor "Microsoft" for product "Office" and version "2016"
-
Affected