Privilege escalation in Git for Visual Studio

Published: 2019-08-14 | Updated: 2019-08-14
Severity Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-1211
CWE ID CWE-20
Exploitation vector Local
Public exploit N/A
Vulnerable software Visual Studio Subscribe
Vendor Microsoft

Security Advisory

This security advisory describes one low risk vulnerability.

1) Input validation error

Severity: Low

CVSSv3: 4.6 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-1211

CWE-ID: CWE-20 - Improper Input Validation

Description

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

The vulnerability exists due to insufficient validation of configuration files in Git for Visual Studio. A local user with ability to modify Git configuration files can execute arbitrary code on the system with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Visual Studio: 2017, 2017 version 15.9, 2019 version 16.0, 2019 version 16.1, 2019 version 16.2

CPE External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1211

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.