CVE-2018-0946

Microsoft Edge Chakra - Cross Context Use-After-Free

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 scripting engine handles objects in memory in Microsoft Edge, aka "Scripting Engine Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-0945, CVE-2018-0951, CVE-2018-0953, CVE-2018-0954, CVE-2018-0955, CVE-2018-1022, CVE-2018-8114, CVE-2018-8122, CVE-2018-8128, CVE-2018-8137, CVE-2018-8139.

Existe una vulnerabilidad de ejecución remota de código que se manifiesta en la forma en la que el motor de scripting gestiona los objetos en la memoria en Microsoft Edge. Esto también se conoce como "Scripting Engine Memory Corruption Vulnerability". Esto afecta a Microsoft Edge y ChakraCore. El ID de este CVE es diferente de CVE-2018-0945, CVE-2018-0951, CVE-2018-0953, CVE-2018-0954, CVE-2018-0955, CVE-2018-1022, CVE-2018-8114, CVE-2018-8122, CVE-2018-8128, CVE-2018-8137 y CVE-2018-8139.

Microsoft Edge Chakra suffers from a cross context use-after-free vulnerability.

*Credits: N/A

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

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

2017-12-01 CVE Reserved
2018-05-09 CVE Published
2024-08-05 CVE Updated
2024-08-05 First Exploit
2024-11-02 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-416: Use After Free
CWE-787: Out-of-bounds Write

CAPEC

References (4)

URL	Tag	Source
http://www.securityfocus.com/bid/103989	Third Party Advisory
http://www.securitytracker.com/id/1040844	Third Party Advisory

URL	Date	SRC
https://www.exploit-db.com/exploits/44758	2024-08-05

URL	Date	SRC
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0946	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
Microsoft Search vendor "Microsoft"		Chakracore Search vendor "Microsoft" for product "Chakracore"				<= 1.8.3 Search vendor "Microsoft" for product "Chakracore" and version " <= 1.8.3"		-		Affected