#VU28854 Buffer overflow


Published: 2020-06-09

Vulnerability identifier: #VU28854

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1257

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Visual Studio
Universal components / Libraries / Software for developers
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error when the Diagnostics Hub Standard Collector Service improperly handles file operations. A local user can use a specially crafted application to trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

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: 16.0.0 16.0.28729.10, 15.9, 16.4.0 16.4.29519.181, 16.6.0 16.6.30114.105

Windows: 10 1607 - 10 2004

Windows Server: 2016 - 2019 2004


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1257


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability