Multiple vulnerabilities in Microsoft Visual Studio

Published: 2018-07-10

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2018-8172 CVE-2018-8232
CWE-ID	CWE-20 CWE-264
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Visual Studio Universal components / Libraries / Software for developers Microsoft Expression Blend Universal components / Libraries / Software for developers
Vendor	Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper input validation

EUVDB-ID: #VU13777

Risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-8172

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper check of the source markup of a file for an unbuilt project. A remote unauthenticated attacker can trick the victim into opening a specially crafted file with an affected version of Visual Studio and run arbitrary code in the context of the current user.

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Visual Studio: 15.0 26228.04 - 2015 Update 3

Microsoft Expression Blend: All versions

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8172

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) Security restrictions bypass

EUVDB-ID: #VU13779

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-8232

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls