CVE-2018-0798

Microsoft Office Memory Corruption Vulnerability

Severity Score

8.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

*SSVC

Descriptions

Equation Editor in Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allows a remote code execution vulnerability due to the way objects are handled in memory, aka "Microsoft Office Memory Corruption Vulnerability".

Equation Editor en Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013 y Microsoft Office 2016 permite una vulnerabilidad de ejecución remota de código debido a la forma en la que se gestionan los objetos en la memoria. Esto también se conoce como "Microsoft Office Memory Corruption Vulnerability".

Microsoft Office contains a memory corruption vulnerability due to the way objects are handled in memory. Successful exploitation allows for remote code execution in the context of the current user. This vulnerability is known to be chained with CVE-2018-0802.

*Credits: N/A

Attack Vector

Network

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

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-12-01 CVE Reserved
2018-01-10 CVE Published
2021-11-03 Exploited in Wild
2022-05-03 KEV Due Date
2022-08-30 First Exploit
2024-09-16 CVE Updated
2024-09-22 EPSS Updated

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (5)

URL	Tag	Source
http://www.securityfocus.com/bid/102370	Third Party Advisory
http://www.securitytracker.com/id/1040153	Third Party Advisory
https://0patch.blogspot.com/2018/01/bringing-abandoned-equation-editor-back.html	Third Party Advisory

URL	Date	SRC
https://github.com/Sunqiz/CVE-2018-0798-reproduction	2022-08-30

URL	Date	SRC
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0798	2020-08-24

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"				2007 Search vendor "Microsoft" for product "Office" and version "2007"		sp3		Affected
Microsoft Search vendor "Microsoft"		Office Search vendor "Microsoft" for product "Office"				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
Microsoft Search vendor "Microsoft"		Office Search vendor "Microsoft" for product "Office"				2016 Search vendor "Microsoft" for product "Office" and version "2016"		click-to-run		Affected
Microsoft Search vendor "Microsoft"		Office Compatibility Pack Search vendor "Microsoft" for product "Office Compatibility Pack"				-		sp3		Affected
Microsoft Search vendor "Microsoft"		Word Search vendor "Microsoft" for product "Word"				2007 Search vendor "Microsoft" for product "Word" and version "2007"		sp3		Affected
Microsoft Search vendor "Microsoft"		Word Search vendor "Microsoft" for product "Word"				2010 Search vendor "Microsoft" for product "Word" and version "2010"		sp2		Affected
Microsoft Search vendor "Microsoft"		Word Search vendor "Microsoft" for product "Word"				2013 Search vendor "Microsoft" for product "Word" and version "2013"		sp1		Affected
Microsoft Search vendor "Microsoft"		Word Search vendor "Microsoft" for product "Word"				2013 Search vendor "Microsoft" for product "Word" and version "2013"		sp1, rt		Affected
Microsoft Search vendor "Microsoft"		Word Search vendor "Microsoft" for product "Word"				2016 Search vendor "Microsoft" for product "Word" and version "2016"		-		Affected