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 policies, handles system-wide privileges and provides a way for non-privileged processes to communicate with privileged ones, such as “sudo,”...
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OVERVIEW: UPnProxy is alive and well. There are 277,000 devices, out of a pool of 3.5 million, running vulnerable implementations of UPnP. Of those, Akamai can confirm that more than 45,000 have been compromised in a widely distributed UPnP NAT injection campaign. These injections expose machines living behind the router to the Internet and appear to target the service ports used by SMB. BACKGROUND: Earlier...
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At Pwn2Own 2018 mobile hacking competition held in Tokyo on November 13-14, white hat hackers once again demonstrated that even the fully patched smartphones running the latest version of software from popular smartphone manufacturers can be hacked. Three major flagship smartphones—iPhone X, Samsung Galaxy S9, and Xiaomi Mi6—were among the devices that successfully got hacked at the annual mobile hacking contest organized by Trend Micro’s...
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A bug in the way Gmail handles the structure of the ‘From:’ header could allow placing of an arbitrary email address in the sender field. Although this issue opens the door for high-level abuse, at the very least it is possible to add the recipient’s address and confuse them about the emails they sent and their content. Touching the sender field Software developer Tim Cotten recently investigated an...
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A version of TrickBot spotted recently shows interest in data that is peculiar for the normal scope of banking trojans: the Windows system reliability and performance information. Microsoft runs a Reliability Analysis Component (RAC) on Windows operating systems to supply the Reliability Monitor with details about software installations, upgrades, errors from the operating systems and applications, as well as hardware-related issues. For this purpose, it uses...
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