A single rewrite rule, the kind pasted into NGINX configurations thousands of times a day, can hand an unauthenticated ...

AFAIK, IANAP:<BR> <BR>Some programming languages (C, for instance) have certain functions that <I>do not</I> check whether an argument is too big for its buffer, eg printf(). There are functions that ...

Many times when updates or security patches appear for the OS or applications, a common reason for the update is that an attacker can make the program execute arbitrary code, usually by tricking a ...

A few weeks ago, we published a challenge relating to the exploitation of a simple buffer overflow in Linux. In the published solution, it was noted how it was possible to change the execution flow of ...

Last week I summarized the difficulties in preventing buffer overflows in complex software and introduced fuzzers. With multiple buffer overflows announced every week on some of the world’s most ...

A buffer overflow or overrun is a memory safety issue where a program does not properly check the boundaries of an allocated fixed-length memory buffer and writes more data than it can hold. This ...

Researchers at IBM disclosed a serious buffer overflow vulnerability in Android 4.3 and earlier that could lead to code execution. The bug is patched in KitKat, but most users are on older versions. A ...

Following the trend of giving catchy names to serious operating system security flaws, the Linux vulnerability revealed recently by security researchers Qualys has been called Ghost. Like Heartbleed ...

"A buffer overflow vulnerability in the User-ID Authentication Portal (aka Captive Portal) service of Palo Alto Networks ...

At first glance, Matthew Macy seemed like a perfectly reasonable choice to port WireGuard into the FreeBSD kernel. WireGuard is an encrypted point-to-point tunneling protocol, part of what most people ...