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CISA warns about 15 actively exploited vulnerabilities

The high-severity vulnerabilities that CISA has added to its patch-now list include SeriousSAM privilege escalation and SMB remote code execution. ....

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Qualys Wins Two Pwnie Awards - Best Privileged Escalation Bug and Most Under-Hyped Research

Qualys Wins Two Pwnie Awards - Best Privileged Escalation Bug and Most Under-Hyped Research
prnewswire.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from prnewswire.com Daily Mail and Mail on Sunday newspapers.

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Qualys Wins Two Pwnie Awards - Best Privileged Escalation Bug and Most Under-Hyped Research

Qualys Wins Two Pwnie Awards - Best Privileged Escalation Bug and Most Under-Hyped Research
prnewswire.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from prnewswire.com Daily Mail and Mail on Sunday newspapers.

United States , Sumedh Thakar , Sudo Baron Samedit , Mehul Revankar , Jackie Dutton , Amazon Web Services , Prnewswire Qualys Inc , Cloud Security Alliance , Qualys Research , Qualys Research Team , Cognizant Technology Solutions , Qualys Inc , Deutsche Telekom , Tata Communications , Pwnie Awards , Black Hat United States , Best Privilege Escalation Bug , Heap Based Buffer Overflow , Baron Samedit , Most Under Hyped Research , Privilege Escalation Bug , Under Hyped Research , Product Management , Best Privileged Escalation , Active Nominations , Forbes Global ,

BleedingTooth: Linux Bluetooth Zero-Click Remote Code Execution

Introduction
I noticed that the network subsystem was already being fuzzed extensively by syzkaller, but that subsystems like Bluetooth were less well covered. In general, research on the Bluetooth host attack surface seemed to be quite limited – with most public vulnerabilities in Bluetooth only affecting the firmware or the specification itself, and only allowing attackers to eavesdrop and/or manipulate information.
But what if attackers could take full control over devices? The most prominent examples that demonstrated this scenario were BlueBorne and BlueFrag. I set myself the goal to research the Linux Bluetooth stack, to extend upon BlueBorne’s findings, and to extend syzkaller with the capability to fuzz the ....

Francis Perron , Eduardo Vela , Jann Horn , Linux Bluetooth Zero Click Remote Code , Linux Bluetooth , Linux Bluetooth Subsystem , Linux Kernel Security , Host Controller Interface , Logical Link Control , Security Management Protocol , Heap Based Buffer Overflow , Stack Based Information Leak , Heap Based Type Confusion , Enhanced Retransmission Mode , Bluetooth Core , Streaming Mode , Linux Torvalds , Bluetooth High Speed , பிரான்சிஸ் பெரிறோன் , எட்வார்டொ வேலா , ஜான் கொம்பு , லினக்ஸ் புளூடூத் பூஜ்யம் கிளிக் செய்க தொலைநிலை குறியீடு , லினக்ஸ் புளூடூத் , லினக்ஸ் கர்னல் பாதுகாப்பு , தொகுப்பாளர் கட்டுப்படுத்தி இடைமுகம் , தருக்க இணைப்பு கட்டுப்பாடு ,

Sudo vulnerability could give attackers root access on Linux systems

Sudo vulnerability could give attackers root access on Linux systems
Security researchers have revealed details of a vulnerability in Sudo that could be exploited by an attacker to gain root privileges on a wide range of Linux-based systems.
News of the security flaw was shared by Qualys, and it has been described as perhaps the most significant sudo vulnerability in recent memory . Worryingly, the heap-based buffer overflow bug has existed for almost a decade. It is known as Baron Samedit, tracked as CVE-2021-3156, and affects various versions of Sudo.
See also:
Vulnerable versions of Sudo are legacy versions from 1.8.2 to 1.8.31p2 and all stable versions from 1.9.0 to 1.9.5p1, assuming configurations have not been changed. Writing about its findings, Qualys says that the vulnerability is exploitable by any local user, without authentication . ....

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