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Introduction This article provides an overview of how printing functions work and how format strings are used to format the data being printed. Developers often use print functions for a variety of reasons such as displaying data to the users and printing debug messages. While these print functions appear to be innocent, they can cause […]
The post Introduction to Printing and Format Strings appeared first on Infosec Resources.
Introduction In the previous article, we understood how print functions like printf work. This article provides further definition of Format String vulnerabilities. We will begin by discussing how Format Strings can be used in an unusual way, which is a starting point to understanding Format String exploits. Next, we will understand what kind of mistakes […]
The post Format String Vulnerabilities: Use and Definitions appeared first on Infosec Resources.
Introduction In the previous articles, we discussed printing functions, format strings and format string vulnerabilities. This article provides an overview of how Format String vulnerabilities can be exploited. In this article, we will begin by solving a simple challenge to leak a secret from memory. In the next article, we will discuss another example, where […]
The post How to exploit Format String Vulnerabilities appeared first on Infosec Resources.
Introduction: This article provides an overview of various techniques that can be used to mitigate Format String vulnerabilities. In addition to the mitigations that are offered by the compilers & operating systems, we will also discuss preventive measures that can be used while writing programs in languages susceptible to Format String vulnerabilities. Techniques to prevent […]
The post How to mitigate Format String Vulnerabilities appeared first on Infosec Resources.
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