Remote code execution in Microsoft ChakraCore scripting engine



Published: 2020-05-12
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-1065
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
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ChakraCore
Universal components / Libraries / Software for developers

Microsoft Edge
Client/Desktop applications / Web browsers

Vendor Microsoft

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU27829

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1065

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 the ChakraCore scripting engine. A remote attacker can 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

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1065


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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