Published:
I found a DNS rebinding vulnerability as well as a Cross Site Request Forgery (CSRF) vulnerability on the DIAL (Discovery And Launch) implementation of the Samsung TV UE40F6320 (v1.0), from 2011. This can be used to open any installed application (eg. Netflix and Youtube) and force the vizualisation of a given video in the applications.
Published:
I found a DNS rebinding vulnerability on the Universal Plug-and-Play (UPnP) interface of the Samsung TV UE40F6320 (v1.0), from 2011. This could be used, for example, to change the channel, to know which channel is currently used or open the builtin browser to any URI.
Published:
Some notes about how to write a Frida script with the (somewhat classic) example of disabling certificate verification for TLS communications on Android applications.
Published:
I found some DNS rebinding vulnerabilities in Freebox devices (CVE-2020-24374, CVE-2020-24375, CVE-2020-24376, CVE-2020-24377) as well as a Cross Site Request Forgery (CSRF) vulnerability (CVE-2020-24373). These vulnerabilities were fixed in 2020-08-05.
Published:
This post describes different software components involved in host name resolutions and DNS configuration on GNU/Linux systems. It consists of a diagram and some accompanying explanations. The goal is to give some pointers and references to understand how to troubleshoot host name/DNS resolution problems and configuration problems on GNU/Linux systems.
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Some scripts I wrote to enable system-wide push-to-talk (for X11 and PulseAudio). Some people might find it useful for the ongoing lockdown.
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Some guidance about configuring/fixing domain name resolution with a corporate Virtual Private Network (VPN), especially OpenVPN and with systemd-based Linux systems. This configuration uses the internal/private corporate resolvers for resolving internal/private domain names while using the ISP resolver for general domain names. This might help if your VPN is struggling these days because of the COVID-19 threat 😷.
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Using FlameGraph for displaying disk usage.
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I was looking for a LLMNR commandline lookup utility. Actually, dig can do the job quite fine.
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I thought I was understanding pretty well how bash argument processing and various expansions is supposed to behave. Apparently, there are still subtleties which tricks me, sometimes.
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