Multiple vulnerabilities in Microsoft Visual Studio

Published: 2020-09-08

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-16874 CVE-2020-16856
CWE-ID	CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Visual Studio Universal components / Libraries / Software for developers
Vendor	Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU46456

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-16874

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 in Visual Studio. A remote attacker can create a specially file, 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

Visual Studio: 15.9 - 2015 Update 3

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16874

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.

2) Buffer overflow

EUVDB-ID: #VU46457