#VU26868 Buffer overflow


Published: 2020-04-14

Vulnerability identifier: #VU26868

Vulnerability risk: Medium

CVSSv3.1: 4.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0969

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ChakraCore
Universal components / Libraries / Software for developers
Microsoft Edge
Client/Desktop applications / Web browsers

Vendor: Microsoft

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 Chakra scripting 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


CPE

External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0969


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.


Latest bulletins with this vulnerability