Cisco Blogs
Share

Vulnerability Spotlight: Multiple Remote Code Execution Vulnerabilities Within libxls


November 15, 2017 - 0 Comments

Vulnerabilities discovered by Marcin Noga of Cisco Talos

Talos is releasing seven new vulnerabilities discovered within the libxls library: TALOS-2017-0403, TALOS-2017-0404, TALOS-2017-0426, TALOS-2017-0460, TALOS-2017-0461, TALOS-2017-0462, and TALOS-2017-0463. These vulnerabilities result in remote code execution using specially crafted XLS files.

Overview

libxls is a C library supported on Windows, Mac and Linux which can read Microsoft Excel File Format (XLS) files ranging from current versions of XLS files down to Excel 97 (BIFF8) formats.

The library is used by the `readxl` package which can be installed in the R programming language via the CRAN repository. The library is also part of the ‘xls2csv’ tool. The library can also be used to successfully parse Microsoft XLS files.

Read More >>



Tags:

In an effort to keep conversations fresh, Cisco Blogs closes comments after 60 days. Please visit the Cisco Blogs hub page for the latest content.