Remote code execution in Microsoft ChakraCore



Published: 2020-09-08
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-0878
CWE-ID CWE-119
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
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ChakraCore
Universal components / Libraries / Software for developers

Microsoft Edge
Client/Desktop applications / Web browsers

Microsoft Internet Explorer
Client/Desktop applications / Web browsers

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU46496

Risk: High

CVSSv3.1:

CVE-ID: CVE-2020-0878

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within ChakraCore engine. A remote attacker can create a specially crafted webpage, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ChakraCore: All versions

Microsoft Edge: All versions

Microsoft Internet Explorer: 9 - 11


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0878

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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