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...

Tencent WeChat Command Injection Vulnerability

Tencent WeChat is an online social application from the Chinese company Tencent. The program supports sending voice messages, videos, pictures, and text, among other things. A command injection vulnerability exists in Tencent WeChat that stems from the program failing to properly validate a...

CVE-2011-2207

dirmngr before 2.1.0 improperly handles certain system calls, which allows remote attackers to cause a denial of service DOS via a specially-crafted certificate...

Code injection

dirmngr before 2.1.0 improperly handles certain system calls, which allows remote attackers to cause a denial of service DOS via a specially-crafted certificate...

CVE-2011-2207

The entries for CVE-2011-2207 document a vulnerability in dirmngr prior to version 2.1.0 where certain system calls are improperly handled, allowing remote attackers to cause a denial of service via a specially-crafted certificate. Affected component: dirmngr (before 2.1.0). Root cause is describ...

CVE-2011-2207

dirmngr before 2.1.0 improperly handles certain system calls, which allows remote attackers to cause a denial of service DOS via a specially-crafted certificate...

CVE-2019-18684

Sudo through 1.8.29 allows local users to escalate to root if they have write access to file descriptor 3 of the sudo process. This occurs because of a race condition between determining a uid, and the setresuid and openat system calls. The attacker can write "ALL ALL=ALL NOPASSWD:ALL" to...

CVE-2019-18684

Sudo through 1.8.29 allows local users to escalate to root if they have write access to file descriptor 3 of the sudo process. This occurs because of a race condition between determining a uid, and the setresuid and openat system calls. The attacker can write "ALL ALL=ALL NOPASSWD:ALL" to...

FreeBSD : FreeBSD -- Reference count overflow in mqueue filesystem 32-bit compat (53b3474c-f680-11e9-a87f-a4badb2f4699)

System calls operating on file descriptors obtain a reference to relevant struct file which due to a programming error was not always put back, which in turn could be used to overflow the counter of affected struct file. Impact : A local user can use this flaw to obtain access to files,...

The vulnerability of the Redirected Drive Buffering System (rdbss.sys) in Windows operating systems allows a hacker to cause a service failure.

The vulnerability of the Redirected Drive Buffering System rdbss.sys in Windows operating systems relates to the handling of local system calls. Exploiting this vulnerability can allow an attacker to cause a service failure by launching a specially created application...

CVE-2017-17805

The Salsa20 encryption algorithm in the Linux kernel, before 4.14.8, does not correctly handle zero-length inputs. This allows a local attacker the ability to use the AFALG-based skcipher interface to cause a denial of service uninitialized-memory free and kernel crash or have an unspecified othe...

python27:2.7 bug fix update

An update is available for python2-rpm-macros, python-docutils, pytest, python-psycopg2, python-PyMySQL, python-lxml, PyYAML, python-pytest-mock, python-attrs, python-jinja2, python-mock, python-ipaddress, python-funcsigs, python-py, python-chardet, python-markupsafe, python-pluggy,...

python27:2.7 bug fix update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Bug Fixes:...

CVE-2019-5603

In FreeBSD 12.0-STABLE before r350261, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350263, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, system calls operating on file descriptors as part of mqueuefs did not properly release the reference allowing a...

CVE-2019-5603

In FreeBSD 12.0-STABLE before r350261, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350263, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, system calls operating on file descriptors as part of mqueuefs did not properly release the reference allowing a...

Design/Logic Flaw

In FreeBSD 12.0-STABLE before r350261, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350263, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, system calls operating on file descriptors as part of mqueuefs did not properly release the reference allowing a...

CVE-2019-5603

Removed by vendor...

FreeBSD -- Reference count overflow in mqueue filesystem

Problem Description: System calls operating on file descriptors obtain a reference to relevant struct file which due to a programming error was not always put back, which in turn could be used to overflow the counter of affected struct file. Impact: A local user can use this flaw to obtain access...

The vulnerability of the Akord-Win64 information protection tool, related to access control deficiencies, allows a intruder to gain access to confidential data.

The vulnerability of the information protection tool against unauthorized access, Akord-Win64, is related to deficiencies in access control for files when a specific file path is explicitly specified. Exploiting this vulnerability could allow an intruder, operating locally, to gain access to...

Linux/ARM64 - Reverse (127.0.0.1:4444/TCP) Shell (/bin/sh) + Null-Free Shellcode (128 bytes)

/ Title: Linux/ARM64 - Reverse 127.0.0.1:4444/TCP Shell /bin/sh + Null-Free Shellcode 128 bytes Date: 2019-06-30 Tested: Ubuntu 16.04 aarch64 Author: Ken Kitahara Compilation: gcc -o loader loader.c ubuntu@ubuntu:/works$ lsbrelease -a No LSB modules are available. Distributor ID: Ubuntu...