Archive for the ‘Ubuntu’ Category

Warning! Unprivileged Linux Users With UID > INT_MAX Can Execute Any Command

December 6th, 2018
Hold tight, this may blow your mind… A low-privileged user account on most Linux operating systems with UID value anything greater than 2147483647 can execute any systemctl command unauthorizedly—thanks to a newly discovered vulnerability. The reported vulnerability actually resides in PolicyKit (also known as polkit)—an application-level toolkit for Unix-like operating systems that defines

Posted in Debian, linux, Linux Vulnerability, privilege escalation, Red Hat, Ubuntu, user privilege, Vulnerability | Comments (0)

New Privilege Escalation Flaw Affects Most Linux Distributions

October 26th, 2018
An Indian security researcher has discovered a highly critical flaw in X.Org Server package that impacts OpenBSD and most Linux distributions, including Debian, Ubuntu, CentOS, Red Hat, and Fedora. Xorg X server is a popular open-source implementation of the X11 system (display server) that offers a graphical environment to a wider range of hardware and OS platforms. It serves as an

Posted in CentOS, Debian, Fedora, Linux distribution, Linux server, Linux Vulnerability, OpenBSD, privilege escalation, Red Hat, Ubuntu | Comments (0)