Malicious Code Detection in Smart Contracts Via Opcode Vectorization

With the booming development of blockchain technology, smart contracts have been widely used in finance, supply chain, Internet of things and other fields in recent years. However, the security problems of smart contracts become increasingly prominent. Security events caused by smart contracts...

OpCode-Based Malware Classification Using Machine Learning and Deep Learning Techniques

This technical report presents a comprehensive analysis of malware classification using OpCode sequences. Two distinct approaches are evaluated: traditional machine learning using n-gram analysis with Support Vector Machine SVM, K-Nearest Neighbors KNN, and Decision Tree classifiers; and a deep...

CISA: Key Secure by Demand Elements for Operational Technology Fact Sheet

This fact sheet addresses key elements for operational technology OT owners and operators to consider when purchasing digital products that automate physical processes, e.g. programmable logic controllers PLCs, human-machine interfaces HMIs, and remote terminal units RTUs. CISA strongly advises...

AZL-69640 CVE-2025-23135 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: Teardown riscv specific bits after kvmexit During a module removal, kvmexit invokes arch specific disable call which disables AIA. However, we invoke aiaexit before kvmexit resulting in the following warning. KVM...

Bypassing Prompt Injection and Jailbreak Detection in LLM Guardrails

Large Language Models LLMs guardrail systems are designed to protect against prompt injection and jailbreak attacks. However, they remain vulnerable to evasion techniques. We demonstrate two approaches for bypassing LLM prompt injection and jailbreak detection systems via traditional character...

The Evolution of Zero Trust Architecture (ZTA) from Concept to Implementation

Zero Trust Architecture ZTA is one of the paradigm changes in cybersecurity, from the traditional perimeter-based model to perimeterless. This article studies the core concepts of ZTA, its beginning, a few use cases and future trends. Emphasising the always verify and least privilege access, some...

OpDiffer: LLM-Assisted Opcode-Level Differential Testing of Ethereum Virtual Machine

As Ethereum continues to thrive, the Ethereum Virtual Machine EVM has become the cornerstone powering tens of millions of active smart contracts. Intuitively, security issues in EVMs could lead to inconsistent behaviors among smart contracts or even denial-of-service of the entire blockchain...

From Data Behavior to Code Analysis: a Multimodal Study on Security and Privacy Challenges in Blockchain-Based DApp

The recent proliferation of blockchain-based decentralized applications DApp has catalyzed transformative advancements in distributed systems, with extensive deployments observed across financial, entertainment, media, and cybersecurity domains. These trustless architectures, characterized by the...

The vulnerability of the virtual server “1C-Bitrix: Virtual Machine” involves deficiencies in access control, allowing attackers to elevate their privileges to the root level.

The vulnerability of the virtual server “1C-Bitrix: Virtual Machine” is related to deficiencies in access control. Exploiting this vulnerability can allow a malicious actor to elevate their privileges to the root level...

Unable to create a new machine catalog using SCVMM

Unable to create new machine catalog with the Microsoft System Center Virtual Machine Manager. This error is seen StudioErrorId : ProvisioningTaskError ErrorCategory : NotSpecified TaskState : FailedToCreateImagePreparationVm TaskStateInformation : Terminated ErrorId :...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: macsec: fix UAF bug for realdev CVE-2022-49390 In the Linux kernel, the following vulnerability has been resolved: Squashfs: check the inode number is not the invalid value of zero CVE-2024-26982 In the Linux...

CVE-2025-30736

Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 19.3-19.26, 21.3-21.17 and 23.4-23.7. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java VM. Successful attacks ...

CVE-2025-30736

Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 19.3-19.26, 21.3-21.17 and 23.4-23.7. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java VM. Successful attacks ...

CVE-2024-45712

SolarWinds Serv-U is vulnerable to a client-side cross-site scripting XSS vulnerability. The vulnerability can only be performed by an authenticated account, on the local machine, from the local browser session. Therefore the risk is very low...

CVE-2024-45712 SolarWinds Serv-U Client-Side Cross-Site Scripting Vulnerability

SolarWinds Serv-U is vulnerable to a client-side cross-site scripting XSS vulnerability. The vulnerability can only be performed by an authenticated account, on the local machine, from the local browser session. Therefore the risk is very low...

CVE-2024-45712 SolarWinds Serv-U Client-Side Cross-Site Scripting Vulnerability

SolarWinds Serv-U is vulnerable to a client-side cross-site scripting XSS vulnerability. The vulnerability can only be performed by an authenticated account, on the local machine, from the local browser session. Therefore the risk is very low...

CVE-2024-45712

CVE-2024-45712 affects SolarWinds Serv-U. The vulnerability is a client-side cross-site scripting (XSS) issue that can be exploited only by an authenticated user from the local browser session. The documented risk is described as very low. Affected guidance indicates versions prior to 15.5.1 are ...

Security Bulletin: Multiple security vulnerabilities are addressed with IBM Cloud Pak for Business Automation iFixes for March 2024.

Summary In addition to OS level package updates, multiple security vulnerabilities are addressed with IBM Cloud Pak for Business Automation 21.0.3-IF031 and 23.0.2-IF003. Vulnerability Details CVEID:CVE-2023-44270 DESCRIPTION: PostCSS could allow a remote attacker to bypass security restrictions,...

Oracle Database Server 安全漏洞

Oracle Database Server is a relational database management system from Oracle Corporation USA. This database management system provides data management, distributed processing, and other functions. A security vulnerability exists in Oracle Database Server's Java VM versions 19.3 to 19.26, 21.3 to...

RHEL 6 : openstack-nova (RHSA-2014:0366)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2014:0366 advisory. OpenStack Compute nova launches and schedules large networks of virtual machines, creating a redundant and scalable cloud computing platform...