#VU16872 Input validation error in Visual Studio - CVE-2019-0546

Vulnerability identifier: #VU16872

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-0546

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Visual Studio
Universal components / Libraries / Software for developers

Vendor: Microsoft

Description

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

The vulnerability exists in Visual Studio when the C++ compiler improperly handles specific combinations of C++ constructs. A remote unauthenticated attacker can trick the victim into opening a specially crafted file which was compiled with an affected version of Visual Studio

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: 15.9

---

External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0546

---

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.