Privilege escalation in VMware ThinApp



Published: 2021-07-13
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-22000
CWE-ID CWE-426
Exploitation vector Local
Public exploit N/A
Vulnerable software
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VMware ThinApp
Client/Desktop applications / Software for system administration

Vendor VMware, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Untrusted search path

EUVDB-ID: #VU54826

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-2021-22000

CWE-ID: CWE-426 - Untrusted Search Path

Exploit availability: No

Description

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

The vulnerability exists due to insecure loading of DLLs. A local user can place a specially crafted DLL on the system and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

VMware ThinApp: 5.0 - 5.2.9

External links

http://www.vmware.com/security/advisories/VMSA-2021-0015.html


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.



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