Description
On Windows, the uninstaller binary copies itself to a fixed temporary location, which is then executed (the originally called uninstaller exits, so it does not block the installation directory). This temporary location is not randomized and does not restrict access to Administrators only so a potential attacker could plant a binary to replace the copied binary right before it gets called, thus gaining Administrator privileges (if the original uninstaller was executed as Administrator). The vulnerability only affects Windows installers.
References (1)
Core 1
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://blog.installbuilder.com/2021/10/installbuilder-2160-released.html
Scores
CVSS v3
8.8
EPSS
0.0096
EPSS Percentile
56.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-330
Status
published
Products (1)
vmware/installbuilder
< 21.6.0
Published
Oct 29, 2021
Tracked Since
Feb 18, 2026