Unquoted Search Path or Element in VMware, Inc products - CVE-2021-21999

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Main Vulnerability Database Vulnerabilities #VU54314

Unquoted Search Path or Element in VMware, Inc products - CVE-2021-21999

Published: June 22, 2021 / Updated: June 25, 2021


Vulnerability identifier: #VU54314
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21999
CWE-ID: CWE-428
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to uncontrolled search path within the VGAuthService service when validating a user-supplied OpenSSL configuration file prior to using it. A local user can supply a specially crafted file to execute arbitrary code in the context of SYSTEM.


Affected software

VMware App Volumes
VMRC
VMware Tools
Dell Enterprise Hybrid Cloud

How to mitigate CVE-2021-21999

Install updates from vendor's website.

VMware App Volumes - addressed in versions 2.18.10, 4.0.0.2103
VMware Tools - update to 11.2.6
VMRC - update to 12.0.1
Dell Enterprise Hybrid Cloud - update to 4.1.2

External References

Related Security Bulletins