CVE-2024-45291
Description
PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. It's possible for an attacker to construct an XLSX file that links images from arbitrary paths. When embedding images has been enabled in HTML writer with `$writer->setEmbedImages(true);` those files will be included in the output as `data:` URLs, regardless of the file's type. Also URLs can be used for embedding, resulting in a Server-Side Request Forgery vulnerability. When embedding images has been enabled, an attacker can read arbitrary files on the server and perform arbitrary HTTP GET requests. Note that any PHP protocol wrappers can be used, meaning that if for example the `expect://` wrapper is enabled, also remote code execution is possible. This issue has been addressed in release versions 1.29.2, 2.1.1, and 2.3.0. All users are advised to upgrade. there are no known workarounds for this vulnerability.
How to fix
- phpoffice phpspreadsheet1.29.2, 2.1.1, 2.3.0 or later
- phpoffice/phpspreadsheet2.3.0, 1.29.2, 2.1.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| phpoffice phpspreadsheet | v < 1.29.2, 2.0.0 ≤ v < 2.1.1, 2.2.0 ≤ v < 2.3.0 | 1.29.2, 2.1.1, 2.3.0 |
| phpoffice/phpspreadsheetPackagist | 2.2.0 ≤ v < 2.3.0, v < 1.29.2, 2.0.0 ≤ v < 2.1.1 | 2.3.0, 1.29.2, 2.1.1 |
| phpoffice/phpexcelPackagist | v ≤ 1.8.2 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.