Vulnerabilidades

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

wger before 2.6 fails to sanitize first_name and last_name fields in the gym member TSV export endpoint, allowing any gym member to inject spreadsheet formulas. Attackers can inject formulas like =HYPERLINK to exfiltrate admin data or execute code when admins open the exported file in Excel or LibreOffice Calc.

excel-mcp-server 0.1.8 fails to enforce path confinement in stdio mode when EXCEL_FILES_PATH is unset, allowing attackers to read and write arbitrary files. Attackers can supply unchecked file paths to read and write tools to access any file accessible to the process.

Laravel Excel provides supercharged Excel exports and imports in Laravel. From 3.1.8 until 3.1.70, in src/Files/Disk.php the Maatwebsite\Excel\Files\Disk::copy() method resolves the caller-controlled $destination supplied through Excel::store(), $export->store(), or storeExcel() against the process working directory…

exceljs through 4.4.0 fails to neutralize leading equals, plus, minus, or at signs in cell values written to CSV output. Attackers who can influence exported cell values can inject formulas that execute when the CSV file is opened in a spreadsheet application, potentially exfiltrating data or performing other…

exceljs through 4.4.0 contains a path traversal vulnerability in the Workbook.addImage() function that fails to validate file paths. Attackers can supply arbitrary file paths to read any file accessible to the Node.js process and embed it in the generated workbook.

exceljs through 4.4.0 contains a prototype pollution vulnerability in the deepMerge helper that fails to reject __proto__, constructor, or prototype keys when merging note objects. Attackers can assign parsed JSON with a malicious __proto__ property to cell notes, modifying Object.prototype and affecting all plain…

exceljs through 4.4.0 decompresses all entries from supplied xlsx archives into memory without limits on entry size, total size, or compression ratio. Attackers can upload highly compressed workbooks that expand to gigabytes in memory, exhausting available resources and causing denial of service.

When Microsoft Excel imports a CSV file, it executes cells beginning with certain characters as formulas, giving such CSV files arbitrary execution. Velociraptor fails to sanitize such cells when exporting to CSV from various places such as the GUI, offline collector or data exports. It is not clear if the…

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Out-of-bounds write in Microsoft Office Excel allows an unauthorized attacker to execute code locally.