CVE-2024-29188 (CVSS 7.9)

Description

WiX toolset lets developers create installers for Windows Installer, the Windows installation engine. The custom action behind WiX's `RemoveFolderEx` functionality could allow a standard user to delete protected directories. `RemoveFolderEx` deletes an entire directory tree during installation or uninstallation. It does so by recursing every subdirectory starting at a specified directory and adding each subdirectory to the list of directories Windows Installer should delete. If the setup author instructed `RemoveFolderEx` to delete a per-user folder from a per-machine installer, an attacker could create a directory junction in that per-user folder pointing to a per-machine, protected directory. Windows Installer, when executing the per-machine installer after approval by an administrator, would delete the target of the directory junction. This vulnerability is fixed in 3.14.1 and 4.0.5.

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CVSS v3.1 Score

7.9

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:H

Weakness Type (CWE)

CWE-59 CWE-59

References

Other References

https://github.com/wixtoolset/issues/security/advisories/GHSA-jx4p-m4wm-vvjg https://github.com/wixtoolset/wix/commit/2e5960b575881567a8807e6b8b9c513138b19742 https://github.com/wixtoolset/wix3/commit/93eeb5f6835776694021f66d4226c262c67d487a https://github.com/wixtoolset/issues/security/advisories/GHSA-jx4p-m4wm-vvjg https://github.com/wixtoolset/wix/commit/2e5960b575881567a8807e6b8b9c513138b19742 https://github.com/wixtoolset/wix3/commit/93eeb5f6835776694021f66d4226c262c67d487a

Frequently Asked Questions

What is CVE-2024-29188? +

WiX toolset lets developers create installers for Windows Installer, the Windows installation engine. The custom action behind WiX's `RemoveFolderEx` functionality could allow a standard user to delete protected directories. `RemoveFolderEx` deletes an entire directory tree during installation or uninstallation. It does so by recursing every subdirectory starting at a specified directory and adding each subdirectory to the list of directories Windows Installer should delete. If the setup author instructed `RemoveFolderEx` to delete a per-user folder from a per-machine installer, an attacker could create a directory junction in that per-user folder pointing to a per-machine, protected directory. Windows Installer, when executing the per-machine installer after approval by an administrator, would delete the target of the directory junction. This vulnerability is fixed in 3.14.1 and 4.0.5. It has a CVSS v3.1 base score of 7.9 (HIGH).

How severe is CVE-2024-29188? +

CVE-2024-29188 has a CVSS v3.1 score of 7.9 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2024-29188? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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