Moderate: Red Hat Security Advisory: Satellite 6.13.1 Async Security Update

Updated Satellite 6.13 packages that fixes important security bugs and several regular bugs are now available for Red Hat Satellite. Red Hat Satellite is a system management solution that allows organizations to configure and maintain their systems without the necessity to provide public Internet...

Falsifying and weaponizing certified PDFs

The Portable Document Format PDF file type is one of the most common file formats in use today. Its value comes from the fact that PDFs always print the same way, and that PDFs are supposed to be read-only unlike a Word document, say, which is designed to be easy to edit. This immutability can be...

Shadow Attacks Let Attackers Replace Content in Digitally Signed PDFs

Researchers have demonstrated a novel class of attacks that could allow a bad actor to potentially circumvent existing countermeasures and break the integrity protection of digitally signed PDF documents. Called "Shadow attacks" by academics from Ruhr-University Bochum, the technique uses the...