Broken disclosure embargo left admins facing a fresh root-level flaw with no CVE
Kim described Dirty Frag as a “universal LPE” affecting “all major distributions” and warned that it delivers the same kind of immediate root access as the recent CopyFail mess – only this time, defenders do not even have patches to throw at the problem.
Read more…
Source: The Register News
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Windows Remote Desktop servers now used to amplify DDoS attacks
January 21, 2021
Windows Remote Desktop Protocol (RDP) servers are now being abused by DDoS-for-hire services to amplify Distributed Denial of Service (DDoS) attacks. The Microsoft RDP service is a built-in Windows service running on TCP/3389 and/or UDP/3389 that enables authenticated remote virtual desktop infrastructure (VDI) access to Windows servers and workstations. Attacks taking advantage of this new UDP reflection/amplification ...
- CISA Issues Supply Chain Compromise Alert, Forms Coordination Group with Other Government Agencies
January 21, 2021
The Cybersecurity and Infrastructure Security Agency (CISA) recently issued an alert regarding an advanced persistent threat (APT) compromising government agencies, critical infrastructures, and private sector organizations. According to CISA, the APT actor is accountable for the compromise of the SolarWinds Orion supply chain. The actor is also responsible for the abuse of commonly used authentication mechanisms. ...
- NSA urges system administrators to replace obsolete TLS protocols
January 20, 2021
The US National Security Agency has issued a security advisory this month urging system administrators in federal agencies and beyond to stop using old and obsolete TLS protocols. “NSA recommends that only TLS 1.2 or TLS 1.3 be used; and that SSL 2.0, SSL 3.0, TLS 1.0, and TLS 1.1 not be used,” the agency ...
- Hacker leaks full database of 77 million Nitro PDF user records
January 20, 2021
A stolen database containing the email addresses, names, and passwords of more than 77 million records of Nitro PDF service users was leaked today for free. The 14GB leaked database contains 77,159,696 records with users’ email addresses, full names, bcrypt hashed passwords, titles, company names, IP addresses, and other system-related information. The massive Nitro PDF data breach ...
- Raindrop Backdoor: New Malware Discovered in SolarWinds Investigation
January 20, 2021
Symantec, a division of Broadcom, has uncovered an additional piece of malware used in the SolarWinds attacks which was used against a select number of victims that were of interest to the attackers. Raindrop (Backdoor.Raindrop) is a loader which delivers a payload of Cobalt Strike. Raindrop is very similar to the already documented Teardrop tool, but ...
- XDR investigation uncovers PlugX, unique technique in APT attack
January 20, 2021
Advanced persistent threats (APT) are known — and are universally dreaded — for their stealth. Actors behind such attacks actively innovate their techniques to evade detection and ensure that they maintain a foothold inside an environment as long as possible. Through the Apex One with Endpoint Sensor (iES), we discovered one such incident wherein an ...