CVE-2019-1109

Severity Score

9.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A spoofing vulnerability exists when Microsoft Office Javascript does not check the validity of the web page making a request to Office documents.An attacker who successfully exploited this vulnerability could read or write information in Office documents.The security update addresses the vulnerability by correcting the way that Microsoft Office Javascript verifies trusted web pages., aka 'Microsoft Office Spoofing Vulnerability'.

Existe una vulnerabilidad de suplantación de identidad cuando Microsoft Office Javascript no comprueba la validez de la página web que realiza una solicitud a documentos de Office. Un atacante que aprovechó esta vulnerabilidad podría leer o escribir información en documentos de Office. La actualización de seguridad subsana la vulnerabilidad al corregir la forma que Microsoft Office Javascript verifica las páginas web de confianza, también se conoce como 'Microsoft Office Spoofing Vulnerability'.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-11-26 CVE Reserved
2019-07-15 CVE Published
2023-12-25 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1109	2019-07-19

URL	Date	SRC

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 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"				2013 Search vendor "Microsoft" for product "Office" and version "2013"		sp1, rt		Affected
Microsoft Search vendor "Microsoft"		Office Search vendor "Microsoft" for product "Office"				2016 Search vendor "Microsoft" for product "Office" and version "2016"		-		Affected
Microsoft Search vendor "Microsoft"		Office Search vendor "Microsoft" for product "Office"				2019 Search vendor "Microsoft" for product "Office" and version "2019"		-		Affected
Microsoft Search vendor "Microsoft"		Office 365 Search vendor "Microsoft" for product "Office 365"				-		proplus		Affected