CVE-2024-27303
electron-builder's NSIS installer - execute arbitrary code on the target machine (Windows only)
Impact
### Impact Windows-Only: The NSIS installer makes a system call to open cmd.exe via NSExec in the `.nsh` installer script. NSExec by default searches the current directory of where the installer is located before searching `PATH`. This means that if an attacker can place a malicious executable file named cmd.exe in the same folder as the installer, the installer will run the malicious file. ### Patches Fixed in https://github.com/electron-userland/electron-builder/pull/8059 ### Workarounds None, it executes at the installer-level before the app is present on the system, so there's no way to check if it exists in a current installer. ### References https://cwe.mitre.org/data/definitions/426.html https://cwe.mitre.org/data/definitions/427
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | app-builder-lib | < 24.13.2 | 24.13.2 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Electron | Electron-Builder | before 24.13.2 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/electron-userland/electron-builder/commit/8f4acff3c2d45c1cb07779bb3fe79644408ee387
- https://github.com/electron-userland/electron-builder/pull/8059
- https://github.com/electron-userland/electron-builder/security/advisories/GHSA-r4pf-3v7r-hh55
- https://github.com/advisories/GHSA-r4pf-3v7r-hh55
- https://nvd.nist.gov/vuln/detail/CVE-2024-27303