A Bonding Exercise

Finding Number Related Memory Corruption Vulns

RTC (Real-Time Communication) at scale

Issue #97

9/28/2021

A Byte of Coding Issue #97
HI
The two days after returning to the gym from a long break suck; movement is pain. Here's the issue.

A Bonding Exercise

Published: 26 September 2021
Tags: c, linux


The Linux bonding driver provides a method for aggregating multiple network interfaces into a single logical "bonded" interface. Patrik Lundin and his colleague were experimenting with one of these bonded interfaces when they noticed that the MAC address of the interface would change on network restart. This article details their quest for determining the cause.

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Finding Number Related Memory Corruption Vulns

Published: 26 September 2021
Tags: c, security


"The root cause of many vulnerabilities are from the mishandling of numbers". Understandably so; how many of you actively think about the vulnerabilities of your code as you write it (excluding the high level topics like user sessions, etc)? Maxwell Dulin's article explores the different issues that might arise from using numbers in C, how you can spot them before they become truly costly.

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RTC (Real-Time Communication) at scale

Published: 2 May 2020
Tags: networking


Although this is a bit of an older article, its depth and breadth are impressive enough to warrant featuring. Horatiu Lazu gives an overview and history of signalling and media streaming, followed by an analysis of a number of different web communication protocols; ultimately concluding with a case study on Skype's P2P signaling protocol.

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Stats (updated daily)

Sent: 2105

Opens: 1313

Clicks: 403

Link Clicks Clicks % Unique Clicks Unique Clicks %
RTC (Real-Time Communication) at scale 161 39.95% 144 40.45
A Bonding Exercise 92 22.83% 83 23.31
Finding Number Related Memory Corruption Vulns 88 21.84% 76 21.35
Today's Sponsor: Weekly Robotics 38 9.43% 30 8.43
past issues 8 1.99% 8 2.25
organized database 5 1.24% 5 1.40

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