Day: January 27, 2021

Solar material can ‘self-heal’ imperfections, new research shows

Posted on by Robin Edgar

A material that can be used in technologies such as solar power has been found to self-heal, a new study shows.The findings—from the University of York—raise the prospect that it may be possible to engineer high-performance self-healing materials which could reduce costs and improve scalability, researchers say.The substance, called antimony selenide (Sb2Se3), is a solar Read more about Solar material can ‘self-heal’ imperfections, new research shows[…]

Firefox 85 removes support for Flash and adds protection against supercookies

Posted on by Robin Edgar

Mozilla has released Firefox 85 ending support for Adobe Flash Player plugin and has brought in ways to block supercookies to enhance a user’s privacy. Mozilla, in a blog post, noted that supercookies are store user identifiers, and are much more difficult to delete and block. It further noted that the changes it is making Read more about Firefox 85 removes support for Flash and adds protection against supercookies[…]

Decade-old bug in Linux world’s sudo can be abused by any logged-in user to gain root privileges

Posted on by Robin Edgar

Security researchers from Qualys have identified a critical heap buffer overflow vulnerability in sudo that can be exploited by rogue users to take over the host system. Sudo is an open-source command-line utility widely used on Linux and other Unix-flavored operating systems. It is designed to give selected, trusted users administrative control when needed. The Read more about Decade-old bug in Linux world’s sudo can be abused by any logged-in user to gain root privileges[…]