🛡️ GHSA-8v28-3g86-chj5 — panelswwix4.sdk

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-426 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

PanelSwWix4.Sdk .be TEMP folder is vulnerable to DLL redirection attacks that allow the attacker to escalate privileges

# Summary

.be TEMP folder is vulnerable to DLL redirection attacks that allow the attacker to escalate privileges.

# Details

If the bundle is not run as admin, the user's TEMP folder is used and not the system TEMP folder. A utility is able to monitor the user's TEMP folder for changes and drop its own DLL into the .be/.Local folder immediately when the .be folder is created. When the burn engine elevates, the malicious DLL receives elevated privileges.

# PoC

As a standard, non-admin user:

1. Monitor the user's TEMP folder for changes using ReadDirectoryChangesW

1. On FILE_ACTION_ADDED, check if the folder name is .be

1. Create a folder in .be named after the bundle + .Local (e.g. MyInstaller.exe.Local)

1. Put the malicious COMCTL32.DLL in the .Local folder following the naming used for the real DLL (e.g. MyInstaller.exe.Local/x86_microsoft.windows.common-controls_.../COMCTL32.dll)

1. Do hacker things when the engine escalates and the malicious DLL is loaded

Proper naming for the path can be obtained by using GetModuleHandle("comctl32.dll") and GetModuleFileName.

# Impact

DLL redirection utilizing .exe.Local Windows capability. This impacts any installer built with the WiX installer framework.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

GHSA-8v28-3g86-chj5 is classified as CWE-426: Untrusted Search Path. The product resolves a library or executable using a search path an attacker can influence.

Affected software

GHSA-8v28-3g86-chj5 is recorded against 1 package.

  • panelswwix4.sdk (fixed in 5.0.0-psw-wix.0251-40)

Timeline and source

Published on 8 February 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

github.com (Web)
github.com (Package)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CWE CWE-426
Public Exploit ✅ No
Source OSV
Published 2024-02-08
Updated 2026-08-12
Modified 2024-02-08
Fix URL N/A

Affected Packages

Software From version Fixed in
panelswwix4.sdk — 5.0.0-psw-wix.0251-40

Similar Threats

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