CVE-2020-15567

An issue was discovered in Xen through 4.13.x, allowing Intel guest OS users to gain privileges or cause a denial of service because of non-atomic modification of a live EPT PTE. When mapping guest EPT nested paging tables, Xen would in some circumstances use a series of non-atomic bitfield write...

CVE-2020-15567

An issue was discovered in Xen through 4.13.x, allowing Intel guest OS users to gain privileges or cause a denial of service because of non-atomic modification of a live EPT PTE. When mapping guest EPT nested paging tables, Xen would in some circumstances use a series of non-atomic bitfield write...

non-atomic modification of live EPT PTE

ISSUE DESCRIPTION When mapping guest EPT nested paging tables, Xen would in some circumstances use a series of non-atomic bitfield writes. Depending on the compiler version and optimisation flags, Xen might expose a dangerous partially-written PTE to the hardware, which an attacker might be able ...

OPENSUSE-SU-2020:0945-1 Security update for rust, rust-cbindgen

This update for rust, rust-cbindgen fixes the following issues: rust was updated for use by Firefox 76ESR. - Fixed miscompilations with rustc 1.43 that lead to LTO failures bsc1173202 Update to version 1.43.1 - Updated openssl-src to 1.1.1g for CVE-2020-1967. - Fixed the stabilization of AVX-512...

Security update for perl (important)

openSUSE Security Update: Security update for perl Announcement ID: openSUSE-SU-2020:0850-1 Rating: important References: 1171863 1171864 1171866 1172348 Cross-References: CVE-2020-10543 CVE-2020-10878 CVE-2020-12723 Affected Products: openSUSE Leap 15.1 An update that solves three vulnerabilitie...

Linux/ARM - execve /bin/dash Shellcode (32 bytes)

Title: Linux/ARM - execve /bin/dash Shellcode 32 bytes Category: Shellcode Tested: armv7l 32-bitRaspberry Pi 2 Model B OS: Raspbian Buster Lite Author: Anurag Srivastava Description: execve shellcode / Objdump pi@raspberrypi:/hex $ objdump -d ed1 ed1: file format elf32-littlearm Disassembly of...

EvilDLL - Malicious DLL (Reverse Shell) Generator For DLL Hijacking

Read the license before using any part from this code : Malicious DLL Win Reverse Shell generator for DLL Hijacking Features: Reverse TCP Port Forwarding using Ngrok.io Custom Port Forwarding option LHOST,LPORT Example of DLL Hijacking included Half-Life Launcher file Tested on Win7 7601, Windows...

CVE-2020-14150

GNU Bison before 3.5.4 allows attackers to cause a denial of service application crash. NOTE: there is a risk only if Bison is used with untrusted input, and an observed bug happens to cause unsafe behavior with a specific compiler/architecture. The bug reports were intended to show that a crash...

CVE-2020-14150

GNU Bison before 3.5.4 allows attackers to cause a denial of service application crash. NOTE: there is a risk only if Bison is used with untrusted input, and an observed bug happens to cause unsafe behavior with a specific compiler/architecture. The bug reports were intended to show that a crash...

CVE-2020-14150

GNU Bison before 3.5.4 allows attackers to cause a denial of service application crash. NOTE: there is a risk only if Bison is used with untrusted input, and an observed bug happens to cause unsafe behavior with a specific compiler/architecture. The bug reports were intended to show that a crash...

Microsoft Outlook Users Targeted By Gamaredon's New VBA Macro

The Gamaredon threat group has given its post-compromise toolset a facelift with the addition of a new Visual Basic for Applications VBA macro. The VBA macro leverages compromised victims’ Microsoft Outlook email accounts to send spear-phishing emails to their contacts – rapidly widening the...

CVE-2020-10543

Perl before 5.30.3 on 32-bit platforms allows a heap-based buffer overflow because nested regular expression quantifiers have an integer overflow. Mitigation To mitigate this flaw, developers should not allow untrusted regular expressions to be compiled by the Perl regular expression compiler...

CVE-2020-10878

Perl before 5.30.3 has an integer overflow related to mishandling of a "PLregkindOPn == NOTHING" situation. A crafted regular expression could lead to malformed bytecode with a possibility of instruction injection. Mitigation To mitigate this flaw, developers should not allow untrusted regular...

Mozilla Firefox JIT Compiler Memory Leak (CVE-2018-12387)

A memory leak vulnerability exists in Mozilla Firefox JIT Compiler. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system or cause application crashes...

The vulnerability of the GraalVM Compiler component of the Oracle GraalVM Enterprise Edition virtual machine allows a hacker to trigger a service failure.

The vulnerability of the GraalVM Compiler component in Oracle GraalVM Enterprise Edition is related to deficiencies in access control. Exploiting this vulnerability could allow a malicious actor to trigger service failures through various network protocols...

The vulnerability of the GraalVM Compiler component of the Oracle GraalVM Enterprise Edition allows a hacker to gain access to modify, add, or delete data.

The vulnerability of the GraalVM Compiler component in the Oracle GraalVM Enterprise Edition is related to deficiencies in access control. Exploiting this vulnerability can allow an attacker, operating remotely, to gain access to modify, add, or delete data through various network protocols...

[SECURITY] Fedora 31 Update: marked-1.1.0-3.fc31

Install this for command line tool and man page. marked is a full-featured markdown compiler that can parse huge chunks of markdown without having to worry about caching the compiled output or blocking for an unnecessarily long time. marked is extremely fast and frequently outperforms similar...

[SECURITY] Fedora 32 Update: marked-1.1.0-3.fc32

Install this for command line tool and man page. marked is a full-featured markdown compiler that can parse huge chunks of markdown without having to worry about caching the compiled output or blocking for an unnecessarily long time. marked is extremely fast and frequently outperforms similar...

openSUSE Security Update : gcc9 (openSUSE-2020-716)

This update includes the GNU Compiler Collection 9. This update ships the GCC 9.3 release. A full changelog is provided by the GCC team on : https://www.gnu.org/software/gcc/gcc-9/changes.html The base system compiler libraries libgccs1, libstdc++6 and others are now built by the gcc 9 packages. ...

openSUSE: Security Advisory for gcc9 (openSUSE-SU-2020:0716-1)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...