DEBIAN-CVE-2021-47089

In the Linux kernel, the following vulnerability has been resolved: kfence: fix memory leak when cat kfence objects Hulk robot reported a kmemleak problem: unreferenced object 0xffff93d1d8cc02e8 size 248: comm "cat", pid 23327, jiffies 4624670141 age 495992.217s hex dump first 32 bytes: 00 40 85 ...

CVE-2021-47078 RDMA/rxe: Clear all QP fields if creation failed

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Clear all QP fields if creation failed rxeqpdocleanup relies on valid pointer values in QP for the properly created ones, but in case rxeqpfrominit failed it was filled with garbage and caused tot the following error...

CVE-2021-47078

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Clear all QP fields if creation failed rxeqpdocleanup relies on valid pointer values in QP for the properly created ones, but in case rxeqpfrominit failed it was filled with garbage and caused tot the following error...

Metasploit Weekly Wrap-Up 01/26/24

Direct Syscalls Support for Windows Meterpreter Direct system calls are a well-known technique that is often used to bypass EDR/AV detection. This technique is particularly useful when dynamic analysis is performed, where the security software monitors every process on the system to detect any...

DllNotificationInjection - A POC Of A New "Threadless" Process Injection Technique That Works By Utilizing The Concept Of DLL Notification Callbacks In Local And Remote Processes

DllNotificationInection is a POC of a new “threadless” process injection technique that works by utilizing the concept of DLL Notification Callbacks in local and remote processes. An accompanying blog post with more details is available here: https://shorsec.io/blog/dll-notification-injection/ Ho...

Rhadamanthys Stealer Version 0.5.0 Upgrade Overview

Summary: Rhadamanthys, the information-stealing malware, has taken a significant leap with its v0.5.0 upgrade, introducing expanded stealing features, raw syscalls, and an enhanced loader design, showcasing advanced evasion techniques. Its modular architecture allows for continuous updates,...

RecycledInjector - Native Syscalls Shellcode Injector

Currently Fully Undetected same-process native/.NET assembly shellcode injector based on RecycledGate by thefLink, which is also based on HellsGate + HalosGate + TartarusGate to ensure undetectable native syscalls even if one technique fails. To remain stealthy and keep entropy on the final...

New HijackLoader Modular Malware Loader Making Waves in the Cybercrime World

A new malware loader called HijackLoader is gaining traction among the cybercriminal community to deliver various payloads such as DanaBot, SystemBC, and RedLine Stealer. "Even though HijackLoader does not contain advanced features, it is capable of using a variety of modules for code injection a...

USN-6256-1: Linux kernel (IoT) vulnerabilities

Jiasheng Jiang discovered that the HSA Linux kernel driver for AMD Radeon GPU devices did not properly validate memory allocation in certain situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service system crash. CVE-2022-3108...

USN-6222-1: Linux kernel (Xilinx ZynqMP) vulnerabilities

Jiasheng Jiang discovered that the HSA Linux kernel driver for AMD Radeon GPU devices did not properly validate memory allocation in certain situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service system crash. CVE-2022-3108...

AtomLdr - A DLL Loader With Advanced Evasive Features

A DLL Loader With Advanced Evasive Features Features: CRT library independent. The final DLL file, can run the payload by loading the DLL executing its entry point, or by executing the exported "Atom" function via the command line. DLL unhooking from \KnwonDlls\ directory, with no RWX sections. T...

Acheron - Indirect Syscalls For AV/EDR Evasion In Go Assembly

Acheron is a library inspired by SysWhisper3/FreshyCalls/RecycledGate, with most of the functionality implemented in Go assembly. acheron package can be used to add indirect syscall capabilities to your Golang tradecraft, to bypass AV/EDRs that makes use of usermode hooks and instrumentation...

USN-6096-1: Linux kernel vulnerabilities

It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. CVE-2022-27672 Ziming Zhang discovered that the VMware Virtual GPU DR...

Hades - Go Shellcode Loader That Combines Multiple Evasion Techniques

Hades is a proof of concept loader that combines several evasion technques with the aim of bypassing the defensive mechanisms commonly used by modern AV/EDRs. Usage The easiest way, is probably building the project on Linux using make. git clone https://github.com/f1zm0/hades && cd hades make The...

USN-6091-1: Linux kernel vulnerabilities

It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. CVE-2022-27672 Ziming Zhang discovered that the VMware Virtual GPU DR...

USN-6079-1: Linux kernel vulnerabilities

It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. CVE-2022-27672 Ziming Zhang discovered that the VMware Virtual GPU DR...

Vulnerability Spotlight: Vulnerabilities in IBM AIX could lead to command injection with elevated privileges

Tim Brown of Cisco Security Advisory EMEA discovered these vulnerabilities and contributed to this blog post. A Cisco security researcher recently discovered two vulnerabilities in the IBM AIX Unix platforms that could be exploited to inject commands and logs into targeted systems with elevated...

USN-5914-1: Linux kernel (OEM) vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

SUSE CVE-2005-0136

The Linux kernel before 2.6.11 on the Itanium IA64 platform has certain "ptrace corner cases" that allow local users to cause a denial of service crash via crafted syscalls, possibly related to MCA/INIT, a different vulnerability than CVE-2005-1761...

SUSE CVE-2009-0835

The securecomputing function in kernel/seccomp.c in the seccomp subsystem in the Linux kernel 2.6.28.7 and earlier on the x8664 platform, when CONFIGSECCOMP is enabled, does not properly handle 1 a 32-bit process making a 64-bit syscall or 2 a 64-bit process making a 32-bit syscall, which allows...