Key facts The CVE-2021-3156 vulnerability in sudo is an interesting heap-based buffer overflow condition that allows for privilege escalation on Linux and Mac systems, if the vulnerability is exploited successfully. The bug in sudo was disclosed by Qualys researchers on their blog/website which you can find here. All relevant details are listed there. Further technical… Continue reading CVE-2021-3156 Sudo Heap-based buffer overflow exploit
Month: February 2021
localectl – Keyboard related settings
“localectl” is a command allowing you to quickly verify the keyboard mappings settings on a Linux system and also modify the current configuration. There are times when password or known keyboard combinations do not work as expected. The first step for troubleshooting is to check what keyboard mappings and layout settings are in use on… Continue reading localectl – Keyboard related settings