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Incorrect Permission AssignmentWeakness · CWE-732

CVE-2024-29187

HIGH · 7.3 CVSS v3.1 Published 2024-03-24
Patch available
A vendor patch is available. No clean upgrade release — apply the published patch.
See remediation →
73/100
Remediation priority · Elevated
Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
WiX toolset lets developers create installers for Windows Installer, the Windows installation engine. When a bundle runs as SYSTEM user, Burn uses GetTempPathW which points to an insecure directory C:\Windows\Temp to drop and load multiple binaries. Standard users can hijack the binary before it's loaded in the application resulting in elevation of privileges. This vulnerability is fixed in 3.14.1 and 4.0.5.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis
How this class of weakness works · CWE-732

A sensitive file, directory, or resource is created with permissions more open than it needs, so unintended users can read or modify it. Attackers look for exactly these loose defaults. Remediation is assigning the minimum permissions required and verifying them at install time and at runtime.

General guidance for the incorrect permission assignment class — the official description and references above are authoritative for this specific CVE. Want a bespoke review and a reviewed fix? Ask our team →

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Patch available Apply the vendor patch
Vendor patch github.com →
Recommended fix High confidence

WiX v3 to 3.14.1 or WiX v4 to 4.0.5

  1. Identify the current WiX version in use (v3 or v4) by checking project files, NuGet packages, or the installed wix.exe version
  2. For WiX v3 users: Upgrade to version 3.14.1
  3. For WiX v4 users: Upgrade to version 4.0.5
  4. Verify the upgrade was successful by running 'wix --version' and confirming the installed version matches the target fixed release
  5. Rebuild any installer bundles that use Burn to ensure they incorporate the fixed binaries
Caveat Check the WiX release notes for breaking changes between your current version and the target version

Generated from the published advisory — verify against the referenced sources before acting.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-29187 in production — separate from our analysis above.

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What this is

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