CVE-2019-0937

Microsoft Chakra Exception Handling Type Confusion Remote Code Execution Vulnerability

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka 'Chakra Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE-2019-0923, CVE-2019-0924, CVE-2019-0925, CVE-2019-0927, CVE-2019-0933.

Existe una vulnerabilidad de ejecución de código remota en la manera en que el motor de scripting Chakra maneja los objetos en memoria en Microsoft Edge, también se conoce como 'Chakra Scripting Engine Memory Corruption Vulnerability'. Este CVE ID es diferente de CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE- 2019-0923, CVE-2019-0924, CVE-2019-0925, CVE-2019-0927, CVE-2019-0933.

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Chakra. 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 handling of exceptions in JavaScript. By performing actions in JavaScript, an attacker can trigger a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process.

*Credits: fluoroacetate (@fluoroacetate)

CVSS Scores

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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

High

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-11-26 CVE Reserved
2019-05-15 CVE Published
2024-08-04 CVE Updated
2024-10-27 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0937	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"	Edge Search vendor "Microsoft" for product "Edge"	-	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows 10 Search vendor "Microsoft" for product "Windows 10"	1709 Search vendor "Microsoft" for product "Windows 10" and version "1709"	-	Safe
Microsoft Search vendor "Microsoft"	Edge Search vendor "Microsoft" for product "Edge"	-	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows 10 Search vendor "Microsoft" for product "Windows 10"	1803 Search vendor "Microsoft" for product "Windows 10" and version "1803"	-	Safe
Microsoft Search vendor "Microsoft"	Edge Search vendor "Microsoft" for product "Edge"	-	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows 10 Search vendor "Microsoft" for product "Windows 10"	1809 Search vendor "Microsoft" for product "Windows 10" and version "1809"	-	Safe
Microsoft Search vendor "Microsoft"	Edge Search vendor "Microsoft" for product "Edge"	-	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows 10 Search vendor "Microsoft" for product "Windows 10"	1903 Search vendor "Microsoft" for product "Windows 10" and version "1903"	-	Safe
Microsoft Search vendor "Microsoft"	Edge Search vendor "Microsoft" for product "Edge"	-	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2019 Search vendor "Microsoft" for product "Windows Server 2019"	-	-	Safe
Microsoft Search vendor "Microsoft"		Chakracore Search vendor "Microsoft" for product "Chakracore"				< 1.11.9 Search vendor "Microsoft" for product "Chakracore" and version " < 1.11.9"		-		Affected