SysWhispers2 - AV/EDR Evasion Via Direct System Calls

SysWhispers helps with evasion by generating header/ASM files implants can use to make direct system calls. All core syscalls are supported and example generated files available in the example-output/ folder. Difference BetweenSysWhispers 1 and 2 The usage is almost identical to SysWhispers1 but...

Information disclosure

In Open Enclave before version 0.12.0, an information disclosure vulnerability exists when an enclave application using the syscalls provided by the sockets.edl is loaded by a malicious host application. An attacker who successfully exploited the vulnerability could read privileged data from the...

CVE-2020-15224

CVE-2020-15224 : Open Enclave before 0.12.0 has an information disclosure vulnerability when an enclave application uses socket-related syscalls (sockets.edl) loaded by a malicious host. An attacker who logs in and runs a crafted application could read privileged data from the enclave heap across...

Exploitability Analysis: Smash the Ref Bug Class

In April 2020, security researcher Gil Dabah published a paper on a set of vulnerabilities he had discovered within the Win32k subsystem of the Windows operating system. These vulnerabilities demonstrated instances of a new class of bugs, dubbed “Smash the Ref.” Dabah’s research included 13 test...

PT-2021-1501 · Flatpak +9 · Flatpak +9

Name of the Vulnerable Software and Affected Versions: Flatpak versions prior to 1.10.4 and 1.12.0 Description: The issue is related to the lack of blocking in the seccomp filter for mount-related system calls, which can be exploited to gain access to confidential data, disrupt its integrity, and...

Microsoft Azure Sphere Littlefs truncate information disclosure vulnerability

Talos Vulnerability Report TALOS-2020-1130 Microsoft Azure Sphere Littlefs truncate information disclosure vulnerability September 23, 2020 CVE Number None SUMMARY An information disclosure vulnerability exists in the Littlefs filesystem functionality of Microsoft Azure Sphere 20.06. A specially...

CVE-2020-10028

Multiple syscalls with insufficient argument validation See NCC-ZEP-006 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions...

CVE-2020-10028

Multiple syscalls with insufficient argument validation See NCC-ZEP-006 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions...

Input validation

Multiple syscalls in the Kscan subsystem perform insufficient argument validation, allowing code executing in userspace to potentially gain elevated privileges. See NCC-ZEP-006 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions...

Design/Logic Flaw

Multiple syscalls with insufficient argument validation See NCC-ZEP-006 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions...

CVE-2020-10028 Multiple Syscalls In GPIO Subsystem Performs No Argument Validation

Multiple syscalls with insufficient argument validation See NCC-ZEP-006 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions...

CVE-2020-10028

CVE-2020-10028 concerns Zephyr RTOS, specifically the GPIO subsystem, where multiple syscalls perform no argument validation. Root cause: insufficient validation on syscall parameters, enabling possible improper access or misuse. Affected: Zephyr versions 1.14.0 and later, including 2.1.0 and lat...

CVE-2020-10028: Improper Input Validation

Multiple syscalls with insufficient argument validation See NCC-ZEP-006 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions...

[SECURITY] Fedora 30 Update: http-parser-2.9.3-1.fc30

This is a parser for HTTP messages written in C. It parses both requests and responses. The parser is designed to be used in performance HTTP applicatio ns. It does not make any syscalls nor allocations, it does not buffer data, it can be interrupted at anytime. Depending on your architecture, it...

Fedora: Security Advisory for http-parser (FEDORA-2020-830d8a1a92)

The remote host is missing an update for the SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE SLED15 / SLES15 Security Update : glibc (SUSE-SU-2020:0262-1)

This update for glibc fixes the following issues : Security issue fixed : CVE-2019-19126: Fixed to ignore the LDPREFERMAP32BITEXEC environment variable during program execution after a security transition bsc1157292. Bug fixes : Fixed z15 s390x strstr implementation that can return incorrect...

SysWhispers - AV/EDR Evasion Via Direct System Calls

SysWhispers helps with evasion by generating header/ASM files implants can use to make direct system calls. All core syscalls are supported from Windows XP to 10. Example generated files available in example-output/. Introduction Various security products place hooks in user-mode APIs which allow...

CVE-2019-20172

Kernel/VM/MemoryManager.cpp in SerenityOS before 2019-12-30 does not reject syscalls with pointers into the kernel-only virtual address space, which allows local users to gain privileges by overwriting a return address that was found on the kernel stack...

FreeBSD-SA-19:15.mqueuefs - Privilege Escalation

Exploit: FreeBSD-SA-19:15.mqueuefs - Privilege Escalation Author: Karsten König of Secfault Security Date: 2019-12-30 Change line 719 to choose which vulnerability is targeted libmap.conf primitive inspired by kcope's 2005 exploit for Qpopper Exploit for FreeBSD-SA-19:15.mqueuefs and...

FreeBSD mqueuefs Privilege Escalation

Exploit: FreeBSD-SA-19:15.mqueuefs - Privilege Escalation Author: Karsten König of Secfault Security Date: 2019-12-30 Change line 719 to choose which vulnerability is targeted libmap.conf primitive inspired by kcope's 2005 exploit for Qpopper Exploit for FreeBSD-SA-19:15.mqueuefs and...