PT-2020-17820 · Bitrock · Installbuilder For Qt

Hjy79425575 + 1 · Published 2020-09-18 · Updated 2021-07-21 · CVE-2020-3979

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions InstallBuilder for Qt Windows versions prior to 20.7.0

Description The issue allows an attacker to potentially execute code with the security scope of the installer by planting a malicious library in a predictable location where the installer looks for plugins at initialization time. This location is writable by non-admin users, and while the plugins are not required, they are loaded if present.

Recommendations For versions prior to 20.7.0, update to version 20.7.0 or later to resolve the issue.

Fix

Uncontrolled Search Path Element

Weakness Enumeration

CWE-427

Related Identifiers

CVE-2020-3979

Affected Products

Installbuilder For Qt

References · 3

• https://osv.dev/vulnerability/CVE-2020-3979 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-3979 · Security Note
• https://blog.installbuilder.com/2020/08/updates-and-bug-fixes-with-version-2070.html · Vendor Advisory