// For flags

CVE-2016-4298

 

Severity Score

7.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

When opening a Hangul HShow Document (.hpt) and processing a structure within the document, Hancom Office 2014 will attempt to allocate space for a list of elements using a length from the file. When calculating this length, an integer overflow can be made to occur which will cause the buffer to be undersized when the application tries to copy file data into the object containing this structure. This allows one to overwrite contiguous data in the heap which can lead to code-execution under the context of the application.

Cuando se abre un Hangul HShow Document (.hpt) y se procesa una estructura dentro del documento, Hancom Office 2014 tratará de asignar espacio para una lista de elementos utilizando una longitud del archivo. Cuando se calcula esta longitud, puede hacer que ocurra un desbordamiento de entero que provocará que el búfer se subdimensione cuando la aplicación trata de copiar datos del archivo en el objeto que contiene esta estructura. Esto permite a uno sobreescribir datos contigüos en la memoria dinámica lo que puede conducir a una ejecución de código bajo el contexto de la aplicación.

*Credits: N/A
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
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2016-04-27 CVE Reserved
  • 2017-01-06 CVE Published
  • 2023-08-10 EPSS Updated
  • 2024-08-06 CVE Updated
  • 2024-08-06 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-190: Integer Overflow or Wraparound
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Hancom
Search vendor "Hancom"
 Hancom Office 2014
Search vendor "Hancom" for product "Hancom Office 2014"
 <= 9.1.0.2176
Search vendor "Hancom" for product "Hancom Office 2014" and version " <= 9.1.0.2176"
-
Affected