Privilege escalation in Microsoft Shell infrastructure component



Published: 2020-09-08
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-0870
CWE-ID CWE-119
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe
Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU46512

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-2020-0870

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when the Shell infrastructure component improperly handles objects in memory. A local user can create a malicious application, launch it on the system and run processes in an elevated context.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: 10 1607 - 10 1909

Windows Server: 2016 - 2019

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0870


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.



###SIDEBAR###